25560901 has 4 divisors (see below), whose sum is σ = 25581600. Its totient is φ = 25540204.

The previous prime is 25560869. The next prime is 25560907. The reversal of 25560901 is 10906552.

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 25560901 - 2⁵ = 25560869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25560901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25560907) 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, 8371 + ... + 11008.

It is an arithmetic number, because the mean of its divisors is an integer number (6395400).

Almost surely, 2^25560901 is an apocalyptic number.

It is an amenable number.

25560901 is a deficient number, since it is larger than the sum of its proper divisors (20699).

25560901 is a wasteful number, since it uses less digits than its factorization.

25560901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20698.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 25560901 is about 5055.7789706434. The cubic root of 25560901 is about 294.5723997435.

The spelling of 25560901 in words is "twenty-five million, five hundred sixty thousand, nine hundred one".