320627613 has 8 divisors (see below), whose sum is σ = 446090688. Its totient is φ = 204458144.

The previous prime is 320627611. The next prime is 320627617. The reversal of 320627613 is 316726023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320627613 - 2¹ = 320627611 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320627611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2323320 + ... + 2323457.

It is an arithmetic number, because the mean of its divisors is an integer number (55761336).

Almost surely, 2^320627613 is an apocalyptic number.

It is an amenable number.

320627613 is a deficient number, since it is larger than the sum of its proper divisors (125463075).

320627613 is a wasteful number, since it uses less digits than its factorization.

320627613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646803.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 320627613 is about 17906.0775436721. The cubic root of 320627613 is about 684.4372546191.

The spelling of 320627613 in words is "three hundred twenty million, six hundred twenty-seven thousand, six hundred thirteen".