5251311397476 has 81 divisors (see below), whose sum is σ = 13359951827859. Its totient is φ = 1739194670448.

The previous prime is 5251311397471. The next prime is 5251311397477. The reversal of 5251311397476 is 6747931131525.

The square root of 5251311397476 is 2291574.

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

5251311397476 is a `hidden beast` number, since 5 + 2 + 5 + 1 + 31 + 139 + 7 + 476 = 666.

It is a super-2 number, since 2×5251311397476² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5251311397471) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2296156005 + ... + 2296158291.

Almost surely, 2^{5251311397476} is an apocalyptic number.

5251311397476 is the 2291574-th square number.

It is an amenable number.

5251311397476 is an abundant number, since it is smaller than the sum of its proper divisors (8108640430383).

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

5251311397476 is an equidigital number, since it uses as much as digits as its factorization.

5251311397476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918 (or 2459 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 54.

The spelling of 5251311397476 in words is "five trillion, two hundred fifty-one billion, three hundred eleven million, three hundred ninety-seven thousand, four hundred seventy-six".