252150024 has 32 divisors (see below), whose sum is σ = 720429120. Its totient is φ = 72042816.

The previous prime is 252150013. The next prime is 252150029. The reversal of 252150024 is 420051252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (252150029) 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, 750279 + ... + 750614.

It is an arithmetic number, because the mean of its divisors is an integer number (22513410).

Almost surely, 2^252150024 is an apocalyptic number.

252150024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252150024 is an abundant number, since it is smaller than the sum of its proper divisors (468279096).

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

252150024 is a wasteful number, since it uses less digits than its factorization.

252150024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500909 (or 1500905 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 252150024 is about 15879.2324751545. The cubic root of 252150024 is about 631.7612795470.

The spelling of 252150024 in words is "two hundred fifty-two million, one hundred fifty thousand, twenty-four".