252945032 has 12 divisors (see below), whose sum is σ = 474356295. Its totient is φ = 126450024.

The previous prime is 252945029. The next prime is 252945037. The reversal of 252945032 is 230549252.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 126472516 + 126472516 = 11246^2 + 11246^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11246.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252945032.

It is not an unprimeable number, because it can be changed into a prime (252945037) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 42173 + ... + 47795.

Almost surely, 2^252945032 is an apocalyptic number.

It is an amenable number.

252945032 is a deficient number, since it is larger than the sum of its proper divisors (221411263).

252945032 is an frugal number, since it uses more digits than its factorization.

252945032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11252 (or 5625 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 252945032 is about 15904.2457224478. The cubic root of 252945032 is about 632.4245465044.

Multiplying 252945032 by its sum of digits (32), we get a square (8094241024 = 89968²).

The spelling of 252945032 in words is "two hundred fifty-two million, nine hundred forty-five thousand, thirty-two".