25052665 has 32 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 17310720.

The previous prime is 25052641. The next prime is 25052683. The reversal of 25052665 is 56625052.

It is not a de Polignac number, because 25052665 - 2⁷ = 25052537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180166 + ... + 180304.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^25052665 is an apocalyptic number.

It is an amenable number.

25052665 is a deficient number, since it is larger than the sum of its proper divisors (9420935).

25052665 is a wasteful number, since it uses less digits than its factorization.

25052665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 25052665 is about 5005.2637293154. The cubic root of 25052665 is about 292.6069543365.

The spelling of 25052665 in words is "twenty-five million, fifty-two thousand, six hundred sixty-five".