25560873 has 16 divisors (see below), whose sum is σ = 40781440. Its totient is φ = 15729552.

The previous prime is 25560869. The next prime is 25560907. The reversal of 25560873 is 37806552.

25560873 is a `hidden beast` number, since 25 + 560 + 8 + 73 = 666.

It is not a de Polignac number, because 25560873 - 2² = 25560869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25560823) 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, 36061 + ... + 36762.

It is an arithmetic number, because the mean of its divisors is an integer number (2548840).

Almost surely, 2^25560873 is an apocalyptic number.

It is an amenable number.

25560873 is a deficient number, since it is larger than the sum of its proper divisors (15220567).

25560873 is a wasteful number, since it uses less digits than its factorization.

25560873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72845 (or 72839 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 25560873 is about 5055.7762015342. The cubic root of 25560873 is about 294.5722921830.

The spelling of 25560873 in words is "twenty-five million, five hundred sixty thousand, eight hundred seventy-three".