320524690201 has 3 divisors (see below), whose sum is σ = 320525256351. Its totient is φ = 320524124052.

The previous prime is 320524690177. The next prime is 320524690207. The reversal of 320524690201 is 102096425023.

The square root of 320524690201 is 566149.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102096425023 = 23 ⋅4438975001.

It can be written as a sum of positive squares in only one way, i.e., 216131080201 + 104393610000 = 464899^2 + 323100^2 .

It is not a de Polignac number, because 320524690201 - 2¹⁷ = 320524559129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320524690207) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 283075 + ... + 849223.

It is an arithmetic number, because the mean of its divisors is an integer number (106841752117).

Almost surely, 2^320524690201 is an apocalyptic number.

320524690201 is the 566149-th square number.

320524690201 is the 283075-th centered octagonal number.

It is an amenable number.

320524690201 is a deficient number, since it is larger than the sum of its proper divisors (566150).

320524690201 is an frugal number, since it uses more digits than its factorization.

320524690201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132298 (or 566149 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 320524690201 in words is "three hundred twenty billion, five hundred twenty-four million, six hundred ninety thousand, two hundred one".