5131645227 has 12 divisors (see below), whose sum is σ = 7570087200. Its totient is φ = 3348307248.

The previous prime is 5131645213. The next prime is 5131645261. The reversal of 5131645227 is 7225461315.

5131645227 is a `hidden beast` number, since 5 + 1 + 3 + 1 + 645 + 2 + 2 + 7 = 666.

5131645227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5131645227 - 2⁶ = 5131645163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5131645191 and 5131645200.

It is not an unprimeable number, because it can be changed into a prime (5131645027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6065352 + ... + 6066197.

It is an arithmetic number, because the mean of its divisors is an integer number (630840600).

Almost surely, 2^5131645227 is an apocalyptic number.

5131645227 is a deficient number, since it is larger than the sum of its proper divisors (2438441973).

5131645227 is a wasteful number, since it uses less digits than its factorization.

5131645227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131602 (or 12131599 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 5131645227 is about 71635.5025598341. The cubic root of 5131645227 is about 1724.8534751409.

The spelling of 5131645227 in words is "five billion, one hundred thirty-one million, six hundred forty-five thousand, two hundred twenty-seven".