252443952 has 140 divisors (see below), whose sum is σ = 766026864. Its totient is φ = 80403840.

The previous prime is 252443903. The next prime is 252443957. The reversal of 252443952 is 259344252.

252443952 is a `hidden beast` number, since 2 + 524 + 43 + 95 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (252443957) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 267802 + ... + 268742.

Almost surely, 2^252443952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252443952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383013432).

252443952 is an abundant number, since it is smaller than the sum of its proper divisors (513582912).

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

252443952 is an equidigital number, since it uses as much as digits as its factorization.

252443952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 969 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 252443952 is about 15888.4848868607. The cubic root of 252443952 is about 632.0066628577.

The spelling of 252443952 in words is "two hundred fifty-two million, four hundred forty-three thousand, nine hundred fifty-two".