25252765265 has 32 divisors (see below), whose sum is σ = 37309332480. Its totient is φ = 15978622464.

The previous prime is 25252765247. The next prime is 25252765267. The reversal of 25252765265 is 56256725252.

It is not a de Polignac number, because 25252765265 - 2²⁶ = 25185656401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25252765267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1597832 + ... + 1613558.

It is an arithmetic number, because the mean of its divisors is an integer number (1165916640).

Almost surely, 2^25252765265 is an apocalyptic number.

It is an amenable number.

25252765265 is a deficient number, since it is larger than the sum of its proper divisors (12056567215).

25252765265 is a wasteful number, since it uses less digits than its factorization.

25252765265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19281.

The product of its digits is 2520000, while the sum is 47.

The spelling of 25252765265 in words is "twenty-five billion, two hundred fifty-two million, seven hundred sixty-five thousand, two hundred sixty-five".