5138887625 has 8 divisors (see below), whose sum is σ = 6413331912. Its totient is φ = 4111110000.

The previous prime is 5138887603. The next prime is 5138887681. The reversal of 5138887625 is 5267888315.

It can be written as a sum of positive squares in 4 ways, for example, as 169624576 + 4969263049 = 13024^2 + 70493^2 .

It is not a de Polignac number, because 5138887625 - 2¹⁶ = 5138822089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20555426 + ... + 20555675.

It is an arithmetic number, because the mean of its divisors is an integer number (801666489).

Almost surely, 2^5138887625 is an apocalyptic number.

It is an amenable number.

5138887625 is a deficient number, since it is larger than the sum of its proper divisors (1274444287).

5138887625 is an equidigital number, since it uses as much as digits as its factorization.

5138887625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41111116 (or 41111106 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 53.

The square root of 5138887625 is about 71686.0350765754. The cubic root of 5138887625 is about 1725.6645342739.

The spelling of 5138887625 in words is "five billion, one hundred thirty-eight million, eight hundred eighty-seven thousand, six hundred twenty-five".