320525401 has 16 divisors (see below), whose sum is σ = 386553600. Its totient is φ = 259826688.

The previous prime is 320525393. The next prime is 320525411. The reversal of 320525401 is 104525023.

It is a cyclic number.

It is not a de Polignac number, because 320525401 - 2³ = 320525393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320525411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3145 + ... + 25513.

It is an arithmetic number, because the mean of its divisors is an integer number (24159600).

Almost surely, 2^320525401 is an apocalyptic number.

It is an amenable number.

320525401 is a deficient number, since it is larger than the sum of its proper divisors (66028199).

320525401 is a wasteful number, since it uses less digits than its factorization.

320525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22488.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 320525401 is about 17903.2232014238. The cubic root of 320525401 is about 684.3645169290.

The spelling of 320525401 in words is "three hundred twenty million, five hundred twenty-five thousand, four hundred one".