172133952 has 28 divisors (see below), whose sum is σ = 455438256. Its totient is φ = 57377920.

The previous prime is 172133947. The next prime is 172133957. The reversal of 172133952 is 259331271.

It is an interprime number because it is at equal distance from previous prime (172133947) and next prime (172133957).

It is a super-2 number, since 2×172133952² = 59260194862276608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172133957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448074 + ... + 448457.

It is an arithmetic number, because the mean of its divisors is an integer number (16265652).

Almost surely, 2^172133952 is an apocalyptic number.

172133952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172133952 is an abundant number, since it is smaller than the sum of its proper divisors (283304304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172133952 is an equidigital number, since it uses as much as digits as its factorization.

172133952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896546 (or 896536 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 172133952 is about 13119.9829268182. The cubic root of 172133952 is about 556.2741087560.

The spelling of 172133952 in words is "one hundred seventy-two million, one hundred thirty-three thousand, nine hundred fifty-two".