232164481 has 2 divisors, whose sum is σ = 232164482. Its totient is φ = 232164480.

The previous prime is 232164451. The next prime is 232164521. The reversal of 232164481 is 184461232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197543025 + 34621456 = 14055^2 + 5884^2 .

It is a cyclic number.

It is not a de Polignac number, because 232164481 - 2¹³ = 232156289 is a prime.

It is a super-2 number, since 2×232164481² = 107800692475998722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (232164451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116082240 + 116082241.

It is an arithmetic number, because the mean of its divisors is an integer number (116082241).

Almost surely, 2^232164481 is an apocalyptic number.

It is an amenable number.

232164481 is a deficient number, since it is larger than the sum of its proper divisors (1).

232164481 is an equidigital number, since it uses as much as digits as its factorization.

232164481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 232164481 is about 15236.9446084181. The cubic root of 232164481 is about 614.6085428291.

The spelling of 232164481 in words is "two hundred thirty-two million, one hundred sixty-four thousand, four hundred eighty-one".