253124224 has 32 divisors (see below), whose sum is σ = 504988740. Its totient is φ = 126382080.

The previous prime is 253124171. The next prime is 253124227. The reversal of 253124224 is 422421352.

It can be written as a sum of positive squares in 2 ways, for example, as 248629824 + 4494400 = 15768^2 + 2120^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (253124227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173482 + ... + 174934.

Almost surely, 2^253124224 is an apocalyptic number.

It is an amenable number.

253124224 is a deficient number, since it is larger than the sum of its proper divisors (251864516).

253124224 is a wasteful number, since it uses less digits than its factorization.

253124224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828 (or 2816 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 253124224 is about 15909.8781893514. The cubic root of 253124224 is about 632.5738525522.

Adding to 253124224 its reverse (422421352), we get a palindrome (675545576).

The spelling of 253124224 in words is "two hundred fifty-three million, one hundred twenty-four thousand, two hundred twenty-four".