253331 has 6 divisors (see below), whose sum is σ = 274500. Its totient is φ = 233688.

The previous prime is 253321. The next prime is 253343. The reversal of 253331 is 133352.

It is not a de Polignac number, because 253331 - 2¹⁴ = 236947 is a prime.

It is a super-2 number, since 2×253331² = 128353191122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 581 + ... + 918.

It is an arithmetic number, because the mean of its divisors is an integer number (45750).

2²⁵³³³¹ is an apocalyptic number.

253331 is a deficient number, since it is larger than the sum of its proper divisors (21169).

253331 is a wasteful number, since it uses less digits than its factorization.

253331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1512 counting only the distinct ones).

The product of its digits is 270, while the sum is 17.

The square root of 253331 is about 503.3199777478. The cubic root of 253331 is about 63.2746054549.

Adding to 253331 its reverse (133352), we get a palindrome (386683).

The spelling of 253331 in words is "two hundred fifty-three thousand, three hundred thirty-one".