320455325 has 12 divisors (see below), whose sum is σ = 401302068. Its totient is φ = 253824000.

The previous prime is 320455319. The next prime is 320455361. The reversal of 320455325 is 523554023.

It can be written as a sum of positive squares in 6 ways, for example, as 50608996 + 269846329 = 7114^2 + 16427^2 .

It is not a de Polignac number, because 320455325 - 2²⁰ = 319406749 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60932 + ... + 65981.

It is an arithmetic number, because the mean of its divisors is an integer number (33441839).

Almost surely, 2^320455325 is an apocalyptic number.

It is an amenable number.

320455325 is a deficient number, since it is larger than the sum of its proper divisors (80846743).

320455325 is a wasteful number, since it uses less digits than its factorization.

320455325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127024 (or 127019 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 320455325 is about 17901.2660166816. The cubic root of 320455325 is about 684.3146394225.

The spelling of 320455325 in words is "three hundred twenty million, four hundred fifty-five thousand, three hundred twenty-five".