1313401025 has 48 divisors (see below), whose sum is σ = 1743364608. Its totient is φ = 979776000.

The previous prime is 1313401021. The next prime is 1313401027. The reversal of 1313401025 is 5201043131.

It is not a de Polignac number, because 1313401025 - 2² = 1313401021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1313400988 and 1313401006.

It is not an unprimeable number, because it can be changed into a prime (1313401021) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 4673885 + ... + 4674165.

It is an arithmetic number, because the mean of its divisors is an integer number (36320096).

Almost surely, 2^1313401025 is an apocalyptic number.

It is an amenable number.

1313401025 is a deficient number, since it is larger than the sum of its proper divisors (429963583).

1313401025 is a wasteful number, since it uses less digits than its factorization.

1313401025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1313401025 is about 36240.8750584199. The cubic root of 1313401025 is about 1095.1302709145.

Adding to 1313401025 its reverse (5201043131), we get a palindrome (6514444156).

The spelling of 1313401025 in words is "one billion, three hundred thirteen million, four hundred one thousand, twenty-five".