2521144552 has 16 divisors (see below), whose sum is σ = 4727923200. Its totient is φ = 1260365040.

The previous prime is 2521144543. The next prime is 2521144573. The reversal of 2521144552 is 2554411252.

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, 33927 + ... + 78697.

It is an arithmetic number, because the mean of its divisors is an integer number (295495200).

Almost surely, 2^2521144552 is an apocalyptic number.

It is an amenable number.

2521144552 is a deficient number, since it is larger than the sum of its proper divisors (2206778648).

2521144552 is a wasteful number, since it uses less digits than its factorization.

2521144552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51816 (or 51812 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 2521144552 is about 50211.0003086973. Note that the first 3 decimals coincide. The cubic root of 2521144552 is about 1361.0244141569.

Subtracting from 2521144552 its sum of digits (31), we obtain a square (2521144521 = 50211²).

The spelling of 2521144552 in words is "two billion, five hundred twenty-one million, one hundred forty-four thousand, five hundred fifty-two".