1313510025 has 24 divisors (see below), whose sum is σ = 2174103904. Its totient is φ = 699753600.

The previous prime is 1313510017. The next prime is 1313510039. The reversal of 1313510025 is 5200153131.

It is not a de Polignac number, because 1313510025 - 2³ = 1313510017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313509983 and 1313510010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60930 + ... + 79620.

Almost surely, 2^1313510025 is an apocalyptic number.

1313510025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313510025 is a deficient number, since it is larger than the sum of its proper divisors (860593879).

1313510025 is a wasteful number, since it uses less digits than its factorization.

1313510025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19641 (or 19636 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1313510025 is about 36242.3788540432. The cubic root of 1313510025 is about 1095.1605652661.

Adding to 1313510025 its reverse (5200153131), we get a palindrome (6513663156).

The spelling of 1313510025 in words is "one billion, three hundred thirteen million, five hundred ten thousand, twenty-five".