232532981 has 2 divisors, whose sum is σ = 232532982. Its totient is φ = 232532980.

The previous prime is 232532957. The next prime is 232533011. The reversal of 232532981 is 189235232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147136900 + 85396081 = 12130^2 + 9241^2 .

It is a cyclic number.

It is not a de Polignac number, because 232532981 - 2²⁶ = 165424117 is a prime.

It is a super-2 number, since 2×232532981² = 108143174505492722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232538981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116266490 + 116266491.

It is an arithmetic number, because the mean of its divisors is an integer number (116266491).

Almost surely, 2^232532981 is an apocalyptic number.

It is an amenable number.

232532981 is a deficient number, since it is larger than the sum of its proper divisors (1).

232532981 is an equidigital number, since it uses as much as digits as its factorization.

232532981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 232532981 is about 15249.0321332208. The cubic root of 232532981 is about 614.9335473619.

The spelling of 232532981 in words is "two hundred thirty-two million, five hundred thirty-two thousand, nine hundred eighty-one".