252415552 has 14 divisors (see below), whose sum is σ = 500887238. Its totient is φ = 126207744.

The previous prime is 252415549. The next prime is 252415561. The reversal of 252415552 is 255514252.

It is a happy number.

252415552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 219513856 + 32901696 = 14816^2 + 5736^2 .

It is a super-2 number, since 2×252415552² = 127427221782929408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971933 + ... + 1972060.

Almost surely, 2^252415552 is an apocalyptic number.

It is an amenable number.

252415552 is a deficient number, since it is larger than the sum of its proper divisors (248471686).

252415552 is an equidigital number, since it uses as much as digits as its factorization.

252415552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944005 (or 3943995 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 252415552 is about 15887.5911327048. The cubic root of 252415552 is about 631.9829616728.

The spelling of 252415552 in words is "two hundred fifty-two million, four hundred fifteen thousand, five hundred fifty-two".