25632845 has 16 divisors (see below), whose sum is σ = 35752320. Its totient is φ = 17277504.

The previous prime is 25632829. The next prime is 25632847. The reversal of 25632845 is 54823652.

It is a cyclic number.

It is not a de Polignac number, because 25632845 - 2⁴ = 25632829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25632847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4142 + ... + 8271.

It is an arithmetic number, because the mean of its divisors is an integer number (2234520).

Almost surely, 2^25632845 is an apocalyptic number.

It is an amenable number.

25632845 is a deficient number, since it is larger than the sum of its proper divisors (10119475).

25632845 is a wasteful number, since it uses less digits than its factorization.

25632845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12484.

The product of its digits is 57600, while the sum is 35.

The square root of 25632845 is about 5062.8889974006. Note that the first 3 decimals coincide. The cubic root of 25632845 is about 294.8485097898.

The spelling of 25632845 in words is "twenty-five million, six hundred thirty-two thousand, eight hundred forty-five".