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5040025 = 524492
BaseRepresentation
bin10011001110011110011001
3100111001121121
4103032132121
52242240100
6300005241
760560644
oct23163631
910431547
105040025
112932711
121830821
131076083
14952a5b
1569851a
hex4ce799

5040025 has 9 divisors (see below), whose sum is σ = 6263581. Its totient is φ = 4023040.

The previous prime is 5039999. The next prime is 5040031. The reversal of 5040025 is 5200405.

Multipling 5040025 by its sum of digits (16), we get a square (80640400 = 89802).

It is a happy number.

The square root of 5040025 is 2245.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4489 + 5035536 = 67^2 + 2244^2 .

It is not a de Polignac number, because 5040025 - 213 = 5031833 is a prime.

It is a Duffinian number.

5040025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5039990 and 5040008.

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 8 ways as a sum of consecutive naturals, for example, 11001 + ... + 11449.

Almost surely, 25040025 is an apocalyptic number.

5040025 is the 2245-th square number.

5040025 is the 1123-rd centered octagonal number.

It is an amenable number.

5040025 is a deficient number, since it is larger than the sum of its proper divisors (1223556).

5040025 is an frugal number, since it uses more digits than its factorization.

5040025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The cubic root of 5040025 is about 171.4526611319.

The spelling of 5040025 in words is "five million, forty thousand, twenty-five".

Divisors: 1 5 25 449 2245 11225 201601 1008005 5040025