25252505005 has 24 divisors (see below), whose sum is σ = 37962012312. Its totient is φ = 15984001152.

The previous prime is 25252504993. The next prime is 25252505021. The reversal of 25252505005 is 50050525252.

It can be written as a sum of positive squares in 4 ways, for example, as 54434884 + 25198070121 = 7378^2 + 158739^2 .

It is not a de Polignac number, because 25252505005 - 2⁷ = 25252504877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3961102 + ... + 3967471.

It is an arithmetic number, because the mean of its divisors is an integer number (1581750513).

Almost surely, 2^25252505005 is an apocalyptic number.

It is an amenable number.

25252505005 is a deficient number, since it is larger than the sum of its proper divisors (12709507307).

25252505005 is a wasteful number, since it uses less digits than its factorization.

25252505005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928605 (or 7928598 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The spelling of 25252505005 in words is "twenty-five billion, two hundred fifty-two million, five hundred five thousand, five".