2561126524 has 12 divisors (see below), whose sum is σ = 4889423448. Its totient is φ = 1164148400.

The previous prime is 2561126509. The next prime is 2561126549. The reversal of 2561126524 is 4256211652.

2561126524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2561126524.

It is a congruent number.

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, 29103667 + ... + 29103754.

It is an arithmetic number, because the mean of its divisors is an integer number (407451954).

Almost surely, 2^2561126524 is an apocalyptic number.

It is an amenable number.

2561126524 is a deficient number, since it is larger than the sum of its proper divisors (2328296924).

2561126524 is a wasteful number, since it uses less digits than its factorization.

2561126524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58207436 (or 58207434 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 2561126524 is about 50607.5737810063. The cubic root of 2561126524 is about 1368.1813871802.

The spelling of 2561126524 in words is "two billion, five hundred sixty-one million, one hundred twenty-six thousand, five hundred twenty-four".