253315224 has 96 divisors (see below), whose sum is σ = 700539840. Its totient is φ = 82680000.

The previous prime is 253315211. The next prime is 253315241. The reversal of 253315224 is 422513352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1009099 + ... + 1009349.

It is an arithmetic number, because the mean of its divisors is an integer number (7297290).

Almost surely, 2^253315224 is an apocalyptic number.

253315224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253315224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350269920).

253315224 is an abundant number, since it is smaller than the sum of its proper divisors (447224616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253315224 is a wasteful number, since it uses less digits than its factorization.

253315224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 494 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 253315224 is about 15915.8796175392. The cubic root of 253315224 is about 632.7329196790.

Adding to 253315224 its reverse (422513352), we get a palindrome (675828576).

The spelling of 253315224 in words is "two hundred fifty-three million, three hundred fifteen thousand, two hundred twenty-four".