253251 has 12 divisors (see below), whose sum is σ = 385320. Its totient is φ = 159840.

The previous prime is 253247. The next prime is 253273. The reversal of 253251 is 152352.

It is a happy number.

It is not a de Polignac number, because 253251 - 2² = 253247 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253251.

It is not an unprimeable number, because it can be changed into a prime (253651) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 570 + ... + 911.

It is an arithmetic number, because the mean of its divisors is an integer number (32110).

2²⁵³²⁵¹ is an apocalyptic number.

253251 is a deficient number, since it is larger than the sum of its proper divisors (132069).

253251 is a wasteful number, since it uses less digits than its factorization.

253251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1503 counting only the distinct ones).

The product of its digits is 300, while the sum is 18.

The square root of 253251 is about 503.2404991652. The cubic root of 253251 is about 63.2679442075.

The spelling of 253251 in words is "two hundred fifty-three thousand, two hundred fifty-one".