253022312 has 16 divisors (see below), whose sum is σ = 475694340. Its totient is φ = 126170496.

The previous prime is 253022309. The next prime is 253022321. The reversal of 253022312 is 213220352.

It can be written as a sum of positive squares in 2 ways, for example, as 235499716 + 17522596 = 15346^2 + 4186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39413 + ... + 45380.

Almost surely, 2^253022312 is an apocalyptic number.

It is an amenable number.

253022312 is a deficient number, since it is larger than the sum of its proper divisors (222672028).

253022312 is a wasteful number, since it uses less digits than its factorization.

253022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85172 (or 85168 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 253022312 is about 15906.6750768349. The cubic root of 253022312 is about 632.4889462571.

Adding to 253022312 its reverse (213220352), we get a palindrome (466242664).

It can be divided in two parts, 2530 and 22312, that added together give a palindrome (24842).

The spelling of 253022312 in words is "two hundred fifty-three million, twenty-two thousand, three hundred twelve".