5131645225 has 12 divisors (see below), whose sum is σ = 7272274624. Its totient is φ = 3518842320.

The previous prime is 5131645213. The next prime is 5131645261. The reversal of 5131645225 is 5225461315.

It is not a de Polignac number, because 5131645225 - 2⁵ = 5131645193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14661669 + ... + 14662018.

Almost surely, 2^5131645225 is an apocalyptic number.

It is an amenable number.

5131645225 is a deficient number, since it is larger than the sum of its proper divisors (2140629399).

5131645225 is a wasteful number, since it uses less digits than its factorization.

5131645225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29323704 (or 29323699 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 5131645225 is about 71635.5025458746. The cubic root of 5131645225 is about 1724.8534749168.

The spelling of 5131645225 in words is "five billion, one hundred thirty-one million, six hundred forty-five thousand, two hundred twenty-five".