2505979124 has 12 divisors (see below), whose sum is σ = 4784142048. Its totient is φ = 1139081400.

The previous prime is 2505979111. The next prime is 2505979171. The reversal of 2505979124 is 4219795052.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 56954071 = 2505979124 / (2 + 5 + 0 + 5 + 9 + 7 + 9 + 1 + 2 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28476992 + ... + 28477079.

It is an arithmetic number, because the mean of its divisors is an integer number (398678504).

Almost surely, 2^2505979124 is an apocalyptic number.

It is an amenable number.

2505979124 is a deficient number, since it is larger than the sum of its proper divisors (2278162924).

2505979124 is a wasteful number, since it uses less digits than its factorization.

2505979124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56954086 (or 56954084 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 2505979124 is about 50059.7555327630. The cubic root of 2505979124 is about 1358.2899361631.

The spelling of 2505979124 in words is "two billion, five hundred five million, nine hundred seventy-nine thousand, one hundred twenty-four".