253239 has 16 divisors (see below), whose sum is σ = 399360. Its totient is φ = 139680.

The previous prime is 253229. The next prime is 253243. The reversal of 253239 is 932352.

It is not a de Polignac number, because 253239 - 2⁸ = 252983 is a prime.

It is a super-2 number, since 2×253239² = 128259982242, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253239.

It is not an unprimeable number, because it can be changed into a prime (253229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457 + ... + 845.

It is an arithmetic number, because the mean of its divisors is an integer number (24960).

2²⁵³²³⁹ is an apocalyptic number.

253239 is a deficient number, since it is larger than the sum of its proper divisors (146121).

253239 is a wasteful number, since it uses less digits than its factorization.

253239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430.

The product of its digits is 1620, while the sum is 24.

The square root of 253239 is about 503.2285762951. The cubic root of 253239 is about 63.2669448994.

The spelling of 253239 in words is "two hundred fifty-three thousand, two hundred thirty-nine".