189372253 has 16 divisors (see below), whose sum is σ = 223323264. Its totient is φ = 157187520.

The previous prime is 189372229. The next prime is 189372263. The reversal of 189372253 is 352273981.

It is a de Polignac number, because none of the positive numbers 2^k-189372253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189372203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57183 + ... + 60403.

It is an arithmetic number, because the mean of its divisors is an integer number (13957704).

Almost surely, 2^189372253 is an apocalyptic number.

It is an amenable number.

189372253 is a deficient number, since it is larger than the sum of its proper divisors (33951011).

189372253 is a wasteful number, since it uses less digits than its factorization.

189372253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492.

The product of its digits is 90720, while the sum is 40.

The square root of 189372253 is about 13761.2591357041. The cubic root of 189372253 is about 574.2558772500.

The spelling of 189372253 in words is "one hundred eighty-nine million, three hundred seventy-two thousand, two hundred fifty-three".