1325333613 has 4 divisors (see below), whose sum is σ = 1767111488. Its totient is φ = 883555740.

The previous prime is 1325333609. The next prime is 1325333629. The reversal of 1325333613 is 3163335231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1325333613 - 2² = 1325333609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325334613) 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, 220888933 + ... + 220888938.

It is an arithmetic number, because the mean of its divisors is an integer number (441777872).

Almost surely, 2^1325333613 is an apocalyptic number.

It is an amenable number.

1325333613 is a deficient number, since it is larger than the sum of its proper divisors (441777875).

1325333613 is an equidigital number, since it uses as much as digits as its factorization.

1325333613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441777874.

The product of its digits is 14580, while the sum is 30.

The square root of 1325333613 is about 36405.1316849699. The cubic root of 1325333613 is about 1098.4367914244.

Adding to 1325333613 its reverse (3163335231), we get a palindrome (4488668844).

The spelling of 1325333613 in words is "one billion, three hundred twenty-five million, three hundred thirty-three thousand, six hundred thirteen".