297172113 has 32 divisors (see below), whose sum is σ = 470880000. Its totient is φ = 166578048.

The previous prime is 297172111. The next prime is 297172129. The reversal of 297172113 is 311271792.

It is not a de Polignac number, because 297172113 - 2¹ = 297172111 is a prime.

It is a super-2 number, since 2×297172113² = 176622529489769538, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (297172111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51813 + ... + 57261.

It is an arithmetic number, because the mean of its divisors is an integer number (14715000).

Almost surely, 2^297172113 is an apocalyptic number.

It is an amenable number.

297172113 is a deficient number, since it is larger than the sum of its proper divisors (173707887).

297172113 is an equidigital number, since it uses as much as digits as its factorization.

297172113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5526 (or 5512 counting only the distinct ones).

The product of its digits is 5292, while the sum is 33.

The square root of 297172113 is about 17238.6807209833. The cubic root of 297172113 is about 667.3228830526.

The spelling of 297172113 in words is "two hundred ninety-seven million, one hundred seventy-two thousand, one hundred thirteen".