25240365 has 12 divisors (see below), whose sum is σ = 43750044. Its totient is φ = 13461504.

The previous prime is 25240343. The next prime is 25240399. The reversal of 25240365 is 56304252.

25240365 is a `hidden beast` number, since 252 + 403 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9771876 + 15468489 = 3126^2 + 3933^2 .

It is not a de Polignac number, because 25240365 - 2⁵ = 25240333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280404 + ... + 280493.

It is an arithmetic number, because the mean of its divisors is an integer number (3645837).

Almost surely, 2^25240365 is an apocalyptic number.

It is an amenable number.

25240365 is a deficient number, since it is larger than the sum of its proper divisors (18509679).

25240365 is a wasteful number, since it uses less digits than its factorization.

25240365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560908 (or 560905 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 25240365 is about 5023.9790007523. The cubic root of 25240365 is about 293.3358951510.

The spelling of 25240365 in words is "twenty-five million, two hundred forty thousand, three hundred sixty-five".