25624601 has 4 divisors (see below), whose sum is σ = 25642752. Its totient is φ = 25606452.

The previous prime is 25624591. The next prime is 25624637. The reversal of 25624601 is 10642652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25624601 - 2⁶ = 25624537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25629601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6761 + ... + 9846.

It is an arithmetic number, because the mean of its divisors is an integer number (6410688).

Almost surely, 2^25624601 is an apocalyptic number.

It is an amenable number.

25624601 is a deficient number, since it is larger than the sum of its proper divisors (18151).

25624601 is a wasteful number, since it uses less digits than its factorization.

25624601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18150.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 25624601 is about 5062.0747722648. The cubic root of 25624601 is about 294.8168968110.

The spelling of 25624601 in words is "twenty-five million, six hundred twenty-four thousand, six hundred one".