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425371362025 = 5217276732
BaseRepresentation
bin1100011000010100001…
…10111110001011101001
31111122221212021002201211
412030022012332023221
523432130032041100
6523225104313121
742506045630341
oct6141206761351
91448855232654
10425371362025
11154443054195
126a5340127a1
133115ca9a0ac
14168339b7d21
15b0e8ec41ba
hex630a1be2e9

425371362025 has 27 divisors (see below), whose sum is σ = 560385732751. Its totient is φ = 320237872640.

The previous prime is 425371362023. The next prime is 425371362079. The reversal of 425371362025 is 520263173524.

The square root of 425371362025 is 652205.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 96762678489 + 328608683536 = 311067^2 + 573244^2 .

It is not a de Polignac number, because 425371362025 - 21 = 425371362023 is a prime.

It is a super-2 number, since 2×4253713620252 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425371362023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 55433589 + ... + 55441261.

Almost surely, 2425371362025 is an apocalyptic number.

425371362025 is the 652205-th square number.

425371362025 is the 326103-rd centered octagonal number.

It is an amenable number.

425371362025 is a deficient number, since it is larger than the sum of its proper divisors (135014370726).

425371362025 is an frugal number, since it uses more digits than its factorization.

425371362025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15390 (or 7695 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 425371362025 in words is "four hundred twenty-five billion, three hundred seventy-one million, three hundred sixty-two thousand, twenty-five".

Divisors: 1 5 17 25 85 289 425 1445 7225 7673 38365 130441 191825 652205 2217497 3261025 11087485 55437425 58874929 294374645 1000873793 1471873225 5004368965 17014854481 25021844825 85074272405 425371362025