320538453 has 8 divisors (see below), whose sum is σ = 429599808. Its totient is φ = 212584704.

The previous prime is 320538443. The next prime is 320538487. The reversal of 320538453 is 354835023.

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

It is not a de Polignac number, because 320538453 - 2⁶ = 320538389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320538433) 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, 276225 + ... + 277382.

It is an arithmetic number, because the mean of its divisors is an integer number (53699976).

Almost surely, 2^320538453 is an apocalyptic number.

It is an amenable number.

320538453 is a deficient number, since it is larger than the sum of its proper divisors (109061355).

320538453 is a wasteful number, since it uses less digits than its factorization.

320538453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553803.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 320538453 is about 17903.5877130814. The cubic root of 320538453 is about 684.3738060570.

The spelling of 320538453 in words is "three hundred twenty million, five hundred thirty-eight thousand, four hundred fifty-three".