252378172 has 24 divisors (see below), whose sum is σ = 462081312. Its totient is φ = 120384000.

The previous prime is 252378169. The next prime is 252378173. The reversal of 252378172 is 271873252.

It is a super-3 number, since 3×252378172³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252378173) 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, 33472 + ... + 40312.

It is an arithmetic number, because the mean of its divisors is an integer number (19253388).

Almost surely, 2^252378172 is an apocalyptic number.

It is an amenable number.

252378172 is a deficient number, since it is larger than the sum of its proper divisors (209703140).

252378172 is a wasteful number, since it uses less digits than its factorization.

252378172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269 (or 7267 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 252378172 is about 15886.4146993587. The cubic root of 252378172 is about 631.9517635300.

The spelling of 252378172 in words is "two hundred fifty-two million, three hundred seventy-eight thousand, one hundred seventy-two".