25560051 has 16 divisors (see below), whose sum is σ = 37291008. Its totient is φ = 15444000.

The previous prime is 25560047. The next prime is 25560077. The reversal of 25560051 is 15006552.

It is not a de Polignac number, because 25560051 - 2² = 25560047 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (25560091) 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, 12126 + ... + 14076.

It is an arithmetic number, because the mean of its divisors is an integer number (2330688).

Almost surely, 2^25560051 is an apocalyptic number.

25560051 is a deficient number, since it is larger than the sum of its proper divisors (11730957).

25560051 is a wasteful number, since it uses less digits than its factorization.

25560051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 25560051 is about 5055.6949077253. The cubic root of 25560051 is about 294.5691344789.

It can be divided in two parts, 255 and 60051, that added together give a palindrome (60306).

The spelling of 25560051 in words is "twenty-five million, five hundred sixty thousand, fifty-one".