252237056 has 18 divisors (see below), whose sum is σ = 503489322. Its totient is φ = 126118400.

The previous prime is 252237053. The next prime is 252237059. The reversal of 252237056 is 650732252.

It is an interprime number because it is at equal distance from previous prime (252237053) and next prime (252237059).

It can be written as a sum of positive squares in only one way, i.e., 159769600 + 92467456 = 12640^2 + 9616^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252237053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492395 + ... + 492906.

It is an arithmetic number, because the mean of its divisors is an integer number (27971629).

Almost surely, 2^252237056 is an apocalyptic number.

It is an amenable number.

252237056 is a deficient number, since it is larger than the sum of its proper divisors (251252266).

252237056 is an frugal number, since it uses more digits than its factorization.

252237056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985317 (or 985303 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 252237056 is about 15881.9726734433. The cubic root of 252237056 is about 631.8339573415.

The spelling of 252237056 in words is "two hundred fifty-two million, two hundred thirty-seven thousand, fifty-six".