253031 has 4 divisors (see below), whose sum is σ = 254064. Its totient is φ = 252000.

The previous prime is 253013. The next prime is 253049. The reversal of 253031 is 130352.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (253013) and next prime (253049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253031 is a prime.

It is a super-2 number, since 2×253031² = 128049373922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252997 and 253015.

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 253031.

It is not an unprimeable number, because it can be changed into a prime (253081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 716.

It is an arithmetic number, because the mean of its divisors is an integer number (63516).

2²⁵³⁰³¹ is an apocalyptic number.

253031 is a deficient number, since it is larger than the sum of its proper divisors (1033).

253031 is an equidigital number, since it uses as much as digits as its factorization.

253031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 253031 is about 503.0218683119. The cubic root of 253031 is about 63.2496185409.

Adding to 253031 its reverse (130352), we get a palindrome (383383).

The spelling of 253031 in words is "two hundred fifty-three thousand, thirty-one".