252173424 has 40 divisors (see below), whose sum is σ = 665314560. Its totient is φ = 82268608.

The previous prime is 252173423. The next prime is 252173429. The reversal of 252173424 is 424371252.

It is a junction number, because it is equal to n+sod(n) for n = 252173391 and 252173400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252173423) 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, 53634 + ... + 58145.

It is an arithmetic number, because the mean of its divisors is an integer number (16632864).

Almost surely, 2^252173424 is an apocalyptic number.

252173424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252173424 is an abundant number, since it is smaller than the sum of its proper divisors (413141136).

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

252173424 is a wasteful number, since it uses less digits than its factorization.

252173424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111837 (or 111831 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 252173424 is about 15879.9692694917. The cubic root of 252173424 is about 631.7808218238.

The spelling of 252173424 in words is "two hundred fifty-two million, one hundred seventy-three thousand, four hundred twenty-four".