5251321156 has 27 divisors (see below), whose sum is σ = 9704031519. Its totient is φ = 2486163528.

The previous prime is 5251321129. The next prime is 5251321181. The reversal of 5251321156 is 6511231525.

The square root of 5251321156 is 72466.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2752755 + ... + 2754661.

Almost surely, 2^5251321156 is an apocalyptic number.

5251321156 is the 72466-th square number.

It is an amenable number.

5251321156 is a deficient number, since it is larger than the sum of its proper divisors (4452710363).

5251321156 is an equidigital number, since it uses as much as digits as its factorization.

5251321156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856 (or 1928 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The cubic root of 5251321156 is about 1738.1590998493.

The spelling of 5251321156 in words is "five billion, two hundred fifty-one million, three hundred twenty-one thousand, one hundred fifty-six".