320632051 has 4 divisors (see below), whose sum is σ = 325417672. Its totient is φ = 315846432.

The previous prime is 320632031. The next prime is 320632061. The reversal of 320632051 is 150236023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320632051 - 2¹⁷ = 320500979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320632001) 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, 2392710 + ... + 2392843.

It is an arithmetic number, because the mean of its divisors is an integer number (81354418).

Almost surely, 2^320632051 is an apocalyptic number.

320632051 is a deficient number, since it is larger than the sum of its proper divisors (4785621).

320632051 is an equidigital number, since it uses as much as digits as its factorization.

320632051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785620.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 320632051 is about 17906.2014676480. The cubic root of 320632051 is about 684.4404125074.

Adding to 320632051 its reverse (150236023), we get a palindrome (470868074).

The spelling of 320632051 in words is "three hundred twenty million, six hundred thirty-two thousand, fifty-one".