1325360513 has 4 divisors (see below), whose sum is σ = 1334255700. Its totient is φ = 1316465328.

The previous prime is 1325360503. The next prime is 1325360521. The reversal of 1325360513 is 3150635231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3150635231 = 9341 ⋅337291.

It can be written as a sum of positive squares in 2 ways, for example, as 710915569 + 614444944 = 26663^2 + 24788^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325360513 - 2²⁸ = 1056925057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325360503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4447370 + ... + 4447667.

It is an arithmetic number, because the mean of its divisors is an integer number (333563925).

Almost surely, 2^1325360513 is an apocalyptic number.

It is an amenable number.

1325360513 is a deficient number, since it is larger than the sum of its proper divisors (8895187).

1325360513 is an equidigital number, since it uses as much as digits as its factorization.

1325360513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895186.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 1325360513 is about 36405.5011365041. The cubic root of 1325360513 is about 1098.4442229494. Note that the first 3 decimals are identical.

Adding to 1325360513 its reverse (3150635231), we get a palindrome (4475995744).

The spelling of 1325360513 in words is "one billion, three hundred twenty-five million, three hundred sixty thousand, five hundred thirteen".