1313130025 has 6 divisors (see below), whose sum is σ = 1628281262. Its totient is φ = 1050504000.

The previous prime is 1313129989. The next prime is 1313130029. The reversal of 1313130025 is 5200313131.

It can be written as a sum of positive squares in 3 ways, for example, as 305131024 + 1007999001 = 17468^2 + 31749^2 .

It is not a de Polignac number, because 1313130025 - 2⁷ = 1313129897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313129984 and 1313130011.

It is not an unprimeable number, because it can be changed into a prime (1313130029) 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 5 ways as a sum of consecutive naturals, for example, 26262576 + ... + 26262625.

Almost surely, 2^1313130025 is an apocalyptic number.

It is an amenable number.

1313130025 is a deficient number, since it is larger than the sum of its proper divisors (315151237).

1313130025 is an equidigital number, since it uses as much as digits as its factorization.

1313130025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52525211 (or 52525206 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1313130025 is about 36237.1359933425. The cubic root of 1313130025 is about 1095.0549446655.

Adding to 1313130025 its reverse (5200313131), we get a palindrome (6513443156).

The spelling of 1313130025 in words is "one billion, three hundred thirteen million, one hundred thirty thousand, twenty-five".