320525001 has 12 divisors (see below), whose sum is σ = 468559728. Its totient is φ = 211108344.

The previous prime is 320524961. The next prime is 320525011. The reversal of 320525001 is 100525023.

It is a happy number.

It is not a de Polignac number, because 320525001 - 2⁷ = 320524873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320525011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213795 + ... + 215288.

It is an arithmetic number, because the mean of its divisors is an integer number (39046644).

Almost surely, 2^320525001 is an apocalyptic number.

It is an amenable number.

320525001 is a deficient number, since it is larger than the sum of its proper divisors (148034727).

320525001 is a wasteful number, since it uses less digits than its factorization.

320525001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429172 (or 429169 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 320525001 is about 17903.2120302475. The cubic root of 320525001 is about 684.3642322444.

The spelling of 320525001 in words is "three hundred twenty million, five hundred twenty-five thousand, one".