320253197 has 8 divisors (see below), whose sum is σ = 350269920. Its totient is φ = 290386960.

The previous prime is 320253181. The next prime is 320253229. The reversal of 320253197 is 791352023.

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 320253197 - 2⁴ = 320253181 is a prime.

It is a super-2 number, since 2×320253197² = 205124220377441618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320253137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33143 + ... + 41700.

It is an arithmetic number, because the mean of its divisors is an integer number (43783740).

Almost surely, 2^320253197 is an apocalyptic number.

It is an amenable number.

320253197 is a deficient number, since it is larger than the sum of its proper divisors (30016723).

320253197 is a wasteful number, since it uses less digits than its factorization.

320253197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75243.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 320253197 is about 17895.6194919315. The cubic root of 320253197 is about 684.1707314365.

The spelling of 320253197 in words is "three hundred twenty million, two hundred fifty-three thousand, one hundred ninety-seven".