252510224 has 10 divisors (see below), whose sum is σ = 489238590. Its totient is φ = 126255104.

The previous prime is 252510191. The next prime is 252510227. The reversal of 252510224 is 422015252.

It can be written as a sum of positive squares in only one way, i.e., 232867600 + 19642624 = 15260^2 + 4432^2 .

It is a super-2 number, since 2×252510224² = 127522826449060352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252510224.

It is not an unprimeable number, because it can be changed into a prime (252510227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7890929 + ... + 7890960.

It is an arithmetic number, because the mean of its divisors is an integer number (48923859).

Almost surely, 2^252510224 is an apocalyptic number.

It is an amenable number.

252510224 is a deficient number, since it is larger than the sum of its proper divisors (236728366).

252510224 is a wasteful number, since it uses less digits than its factorization.

252510224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15781897 (or 15781891 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 252510224 is about 15890.5702855499. The cubic root of 252510224 is about 632.0619631604.

Adding to 252510224 its reverse (422015252), we get a palindrome (674525476).

The spelling of 252510224 in words is "two hundred fifty-two million, five hundred ten thousand, two hundred twenty-four".