253508 has 6 divisors (see below), whose sum is σ = 443646. Its totient is φ = 126752.

The previous prime is 253507. The next prime is 253531. The reversal of 253508 is 805352.

It can be written as a sum of positive squares in only one way, i.e., 145924 + 107584 = 382^2 + 328^2 .

It is not an unprimeable number, because it can be changed into a prime (253501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31685 + ... + 31692.

It is an arithmetic number, because the mean of its divisors is an integer number (73941).

2²⁵³⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

253508 is a deficient number, since it is larger than the sum of its proper divisors (190138).

253508 is a wasteful number, since it uses less digits than its factorization.

253508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63381 (or 63379 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 253508 is about 503.4957795255. The cubic root of 253508 is about 63.2893384824.

The spelling of 253508 in words is "two hundred fifty-three thousand, five hundred eight".