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25370425 = 521014817
BaseRepresentation
bin110000011000…
…1111100111001
31202201221200101
41200301330321
522443323200
62303435401
7425434153
oct140617471
952657611
1025370425
11133591a3
1285b5b61
1353439b2
143525ad3
15236226a
hex1831f39

25370425 has 6 divisors (see below), whose sum is σ = 31459358. Its totient is φ = 20296320.

The previous prime is 25370417. The next prime is 25370437. The reversal of 25370425 is 52407352.

It can be written as a sum of positive squares in 3 ways, for example, as 5683456 + 19686969 = 2384^2 + 4437^2 .

It is not a de Polignac number, because 25370425 - 23 = 25370417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25370393 and 25370402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 507384 + ... + 507433.

Almost surely, 225370425 is an apocalyptic number.

25370425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25370425 is a deficient number, since it is larger than the sum of its proper divisors (6088933).

25370425 is a wasteful number, since it uses less digits than its factorization.

25370425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014827 (or 1014822 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 25370425 is about 5036.9062925570. The cubic root of 25370425 is about 293.8388715557.

Adding to 25370425 its reverse (52407352), we get a palindrome (77777777).

The spelling of 25370425 in words is "twenty-five million, three hundred seventy thousand, four hundred twenty-five".

Divisors: 1 5 25 1014817 5074085 25370425