232981 has 8 divisors (see below), whose sum is σ = 270144. Its totient is φ = 196800.

The previous prime is 232963. The next prime is 232987. The reversal of 232981 is 189232.

232981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232981 - 2⁷ = 232853 is a prime.

It is a super-2 number, since 2×232981² = 108560292722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381 + ... + 781.

It is an arithmetic number, because the mean of its divisors is an integer number (33768).

2²³²⁹⁸¹ is an apocalyptic number.

It is an amenable number.

232981 is a deficient number, since it is larger than the sum of its proper divisors (37163).

232981 is an equidigital number, since it uses as much as digits as its factorization.

232981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its digits is 864, while the sum is 25.

The square root of 232981 is about 482.6810541134. The cubic root of 232981 is about 61.5328222797.

The spelling of 232981 in words is "two hundred thirty-two thousand, nine hundred eighty-one".