320675613 has 4 divisors (see below), whose sum is σ = 427567488. Its totient is φ = 213783740.

The previous prime is 320675611. The next prime is 320675617. The reversal of 320675613 is 316576023.

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 a cyclic number.

It is not a de Polignac number, because 320675613 - 2¹ = 320675611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320675611) 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, 53445933 + ... + 53445938.

It is an arithmetic number, because the mean of its divisors is an integer number (106891872).

Almost surely, 2^320675613 is an apocalyptic number.

It is an amenable number.

320675613 is a deficient number, since it is larger than the sum of its proper divisors (106891875).

320675613 is a wasteful number, since it uses less digits than its factorization.

320675613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106891874.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 320675613 is about 17907.4178205569. The cubic root of 320675613 is about 684.4714077899.

The spelling of 320675613 in words is "three hundred twenty million, six hundred seventy-five thousand, six hundred thirteen".