25265163 has 48 divisors (see below), whose sum is σ = 43275008. Its totient is φ = 12830400.

The previous prime is 25265147. The next prime is 25265171. The reversal of 25265163 is 36156252.

It is not a de Polignac number, because 25265163 - 2⁴ = 25265147 is a prime.

It is a super-2 number, since 2×25265163² = 1276656922833138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25265163.

It is not an unprimeable number, because it can be changed into a prime (25265183) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154920 + ... + 155082.

Almost surely, 2^25265163 is an apocalyptic number.

25265163 is a deficient number, since it is larger than the sum of its proper divisors (18009845).

25265163 is a wasteful number, since it uses less digits than its factorization.

25265163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 245 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 25265163 is about 5026.4463590095. The cubic root of 25265163 is about 293.4319286619.

The spelling of 25265163 in words is "twenty-five million, two hundred sixty-five thousand, one hundred sixty-three".