25902297 has 12 divisors (see below), whose sum is σ = 38285104. Its totient is φ = 16866360.

The previous prime is 25902287. The next prime is 25902313. The reversal of 25902297 is 79220952.

It is not a de Polignac number, because 25902297 - 2¹⁰ = 25901273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25902287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33079 + ... + 33852.

Almost surely, 2^25902297 is an apocalyptic number.

It is an amenable number.

25902297 is a deficient number, since it is larger than the sum of its proper divisors (12382807).

25902297 is a wasteful number, since it uses less digits than its factorization.

25902297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66980 (or 66977 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 25902297 is about 5089.4299287838. The cubic root of 25902297 is about 295.8780580312.

The spelling of 25902297 in words is "twenty-five million, nine hundred two thousand, two hundred ninety-seven".