320063245 has 8 divisors (see below), whose sum is σ = 384562584. Its totient is φ = 255726144.

The previous prime is 320063231. The next prime is 320063273. The reversal of 320063245 is 542360023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1119364 + 318943881 = 1058^2 + 17859^2 .

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 320063245 - 2⁵ = 320063213 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 36174 + ... + 44143.

It is an arithmetic number, because the mean of its divisors is an integer number (48070323).

Almost surely, 2^320063245 is an apocalyptic number.

It is an amenable number.

320063245 is a deficient number, since it is larger than the sum of its proper divisors (64499339).

320063245 is an equidigital number, since it uses as much as digits as its factorization.

320063245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81119.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 320063245 is about 17890.3114841525. The cubic root of 320063245 is about 684.0354371310.

The spelling of 320063245 in words is "three hundred twenty million, sixty-three thousand, two hundred forty-five".