25025252548 has 12 divisors (see below), whose sum is σ = 43843907772. Its totient is φ = 12498421760.

The previous prime is 25025252423. The next prime is 25025252563. The reversal of 25025252548 is 84525252052.

It can be written as a sum of positive squares in 2 ways, for example, as 14229626944 + 10795625604 = 119288^2 + 103902^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25025252548.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3547165 + ... + 3554212.

It is an arithmetic number, because the mean of its divisors is an integer number (3653658981).

Almost surely, 2^25025252548 is an apocalyptic number.

It is an amenable number.

25025252548 is a deficient number, since it is larger than the sum of its proper divisors (18818655224).

25025252548 is a wasteful number, since it uses less digits than its factorization.

25025252548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7102262 (or 7102260 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

The spelling of 25025252548 in words is "twenty-five billion, twenty-five million, two hundred fifty-two thousand, five hundred forty-eight".