248831 has 4 divisors (see below), whose sum is σ = 271464. Its totient is φ = 226200.

The previous prime is 248827. The next prime is 248839. The reversal of 248831 is 138842.

248831 is nontrivially palindromic in base 12.

It is a Cunningham number, because it is equal to 12⁵-1.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248831 - 2² = 248827 is a prime.

It is a super-2 number, since 2×248831² = 123833733122, which contains 22 as substring.

It is a Duffinian number.

248831 is a nontrivial repdigit in base 12.

It is a plaindrome in base 12.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 248831.

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 248831.

It is not an unprimeable number, because it can be changed into a prime (248839) 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, 11300 + ... + 11321.

It is an arithmetic number, because the mean of its divisors is an integer number (67866).

248831 is a Friedman number, since it can be written as (8+4)^(8-3)-2+1, using all its digits and the basic arithmetic operations.

2²⁴⁸⁸³¹ is an apocalyptic number.

248831 is a deficient number, since it is larger than the sum of its proper divisors (22633).

248831 is a wasteful number, since it uses less digits than its factorization.

248831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22632.

The product of its digits is 1536, while the sum is 26.

The square root of 248831 is about 498.8296302346. The cubic root of 248831 is about 62.8977092035.

The spelling of 248831 in words is "two hundred forty-eight thousand, eight hundred thirty-one".