253268 has 6 divisors (see below), whose sum is σ = 443226. Its totient is φ = 126632.

The previous prime is 253247. The next prime is 253273. The reversal of 253268 is 862352.

It can be written as a sum of positive squares in only one way, i.e., 158404 + 94864 = 398^2 + 308^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31655 + ... + 31662.

It is an arithmetic number, because the mean of its divisors is an integer number (73871).

2²⁵³²⁶⁸ is an apocalyptic number.

It is an amenable number.

253268 is a deficient number, since it is larger than the sum of its proper divisors (189958).

253268 is a wasteful number, since it uses less digits than its factorization.

253268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63321 (or 63319 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 253268 is about 503.2573894142. The cubic root of 253268 is about 63.2693598399.

The spelling of 253268 in words is "two hundred fifty-three thousand, two hundred sixty-eight".