253286 has 16 divisors (see below), whose sum is σ = 429840. Its totient is φ = 110880.

The previous prime is 253273. The next prime is 253307. The reversal of 253286 is 682352.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (26865).

2²⁵³²⁸⁶ is an apocalyptic number.

253286 is a deficient number, since it is larger than the sum of its proper divisors (176554).

253286 is a wasteful number, since it uses less digits than its factorization.

253286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

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

The square root of 253286 is about 503.2752725895. The cubic root of 253286 is about 63.2708586758.

The spelling of 253286 in words is "two hundred fifty-three thousand, two hundred eighty-six".