2521193772 has 24 divisors (see below), whose sum is σ = 6228832176. Its totient is φ = 790962688.

The previous prime is 2521193749. The next prime is 2521193803. The reversal of 2521193772 is 2773911252.

It is a self number, because there is not a number n which added to its sum of digits gives 2521193772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6179193 + ... + 6179600.

It is an arithmetic number, because the mean of its divisors is an integer number (259534674).

Almost surely, 2^2521193772 is an apocalyptic number.

It is an amenable number.

2521193772 is an abundant number, since it is smaller than the sum of its proper divisors (3707638404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2521193772 is a wasteful number, since it uses less digits than its factorization.

2521193772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12358817 (or 12358815 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 2521193772 is about 50211.4904379466. The cubic root of 2521193772 is about 1361.0332711375.

The spelling of 2521193772 in words is "two billion, five hundred twenty-one million, one hundred ninety-three thousand, seven hundred seventy-two".