172268113 has 4 divisors (see below), whose sum is σ = 175933440. Its totient is φ = 168602788.

The previous prime is 172268099. The next prime is 172268153. The reversal of 172268113 is 311862271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311862271 = 7 ⋅44551753.

It is a cyclic number.

It is not a de Polignac number, because 172268113 - 2²⁵ = 138713681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172268153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1832593 + ... + 1832686.

It is an arithmetic number, because the mean of its divisors is an integer number (43983360).

Almost surely, 2^172268113 is an apocalyptic number.

It is an amenable number.

172268113 is a deficient number, since it is larger than the sum of its proper divisors (3665327).

172268113 is an equidigital number, since it uses as much as digits as its factorization.

172268113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665326.

The product of its digits is 4032, while the sum is 31.

The square root of 172268113 is about 13125.0947806102. The cubic root of 172268113 is about 556.4185910217.

The spelling of 172268113 in words is "one hundred seventy-two million, two hundred sixty-eight thousand, one hundred thirteen".