1325313813 has 16 divisors (see below), whose sum is σ = 1819008576. Its totient is φ = 857925120.

The previous prime is 1325313811. The next prime is 1325313817. The reversal of 1325313813 is 3183135231.

It is not a de Polignac number, because 1325313813 - 2¹ = 1325313811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325313811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27543 + ... + 58388.

It is an arithmetic number, because the mean of its divisors is an integer number (113688036).

Almost surely, 2^1325313813 is an apocalyptic number.

It is an amenable number.

1325313813 is a deficient number, since it is larger than the sum of its proper divisors (493694763).

1325313813 is an equidigital number, since it uses as much as digits as its factorization.

1325313813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86084.

The product of its digits is 6480, while the sum is 30.

The square root of 1325313813 is about 36404.8597442704. The cubic root of 1325313813 is about 1098.4313213157.

The spelling of 1325313813 in words is "one billion, three hundred twenty-five million, three hundred thirteen thousand, eight hundred thirteen".