253220524 has 48 divisors (see below), whose sum is σ = 502548480. Its totient is φ = 111006720.

The previous prime is 253220521. The next prime is 253220531. The reversal of 253220524 is 425022352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (253220521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51852 + ... + 56524.

It is an arithmetic number, because the mean of its divisors is an integer number (10469760).

Almost surely, 2^253220524 is an apocalyptic number.

It is an amenable number.

253220524 is a deficient number, since it is larger than the sum of its proper divisors (249327956).

253220524 is a wasteful number, since it uses less digits than its factorization.

253220524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750 (or 4748 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 253220524 is about 15912.9043232215. The cubic root of 253220524 is about 632.6540623631.

Adding to 253220524 its reverse (425022352), we get a palindrome (678242876).

The spelling of 253220524 in words is "two hundred fifty-three million, two hundred twenty thousand, five hundred twenty-four".