1313696625 has 16 divisors (see below), whose sum is σ = 2185991808. Its totient is φ = 700638000.

The previous prime is 1313696611. The next prime is 1313696633. The reversal of 1313696625 is 5266963131.

It is not a de Polignac number, because 1313696625 - 2¹² = 1313692529 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1751221 + ... + 1751970.

It is an arithmetic number, because the mean of its divisors is an integer number (136624488).

Almost surely, 2^1313696625 is an apocalyptic number.

1313696625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313696625 is a deficient number, since it is larger than the sum of its proper divisors (872295183).

1313696625 is an equidigital number, since it uses as much as digits as its factorization.

1313696625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503209 (or 3503199 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 1313696625 is about 36244.9530969485. The cubic root of 1313696625 is about 1095.2124230825.

The spelling of 1313696625 in words is "one billion, three hundred thirteen million, six hundred ninety-six thousand, six hundred twenty-five".