1313187625 has 32 divisors (see below), whose sum is σ = 1677386880. Its totient is φ = 1026043200.

The previous prime is 1313187611. The next prime is 1313187653. The reversal of 1313187625 is 5267813131.

It is not a de Polignac number, because 1313187625 - 2²³ = 1304799017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2510614 + ... + 2511136.

It is an arithmetic number, because the mean of its divisors is an integer number (52418340).

Almost surely, 2^1313187625 is an apocalyptic number.

It is an amenable number.

1313187625 is a deficient number, since it is larger than the sum of its proper divisors (364199255).

1313187625 is an equidigital number, since it uses as much as digits as its factorization.

1313187625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 960 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 1313187625 is about 36237.9307494233. The cubic root of 1313187625 is about 1095.0709558351.

The spelling of 1313187625 in words is "one billion, three hundred thirteen million, one hundred eighty-seven thousand, six hundred twenty-five".