251163 has 24 divisors (see below), whose sum is σ = 411840. Its totient is φ = 146160.

The previous prime is 251159. The next prime is 251171. The reversal of 251163 is 361152.

251163 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 251163 - 2² = 251159 is a prime.

251163 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (251143) 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 23 ways as a sum of consecutive naturals, for example, 4228 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (17160).

2²⁵¹¹⁶³ is an apocalyptic number.

251163 is a deficient number, since it is larger than the sum of its proper divisors (160677).

251163 is a wasteful number, since it uses less digits than its factorization.

251163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 116 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 251163 is about 501.1616505680. The cubic root of 251163 is about 63.0935872855.

It can be divided in two parts, 251 and 163, that added together give a palindrome (414).

The spelling of 251163 in words is "two hundred fifty-one thousand, one hundred sixty-three".