5213128804 has 27 divisors (see below), whose sum is σ = 9882283467. Its totient is φ = 2405193024.

The previous prime is 5213128799. The next prime is 5213128841. The reversal of 5213128804 is 4088213125.

It is a happy number.

The square root of 5213128804 is 72202.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2529888804 + 2683240000 = 50298^2 + 51800^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5213128804.

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, 1875864 + ... + 1878640.

Almost surely, 2^5213128804 is an apocalyptic number.

5213128804 is the 72202-nd square number.

It is an amenable number.

5213128804 is a deficient number, since it is larger than the sum of its proper divisors (4669154663).

5213128804 is an equidigital number, since it uses as much as digits as its factorization.

5213128804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The cubic root of 5213128804 is about 1733.9350216686.

The spelling of 5213128804 in words is "five billion, two hundred thirteen million, one hundred twenty-eight thousand, eight hundred four".