233646961 has 2 divisors, whose sum is σ = 233646962. Its totient is φ = 233646960.

The previous prime is 233646947. The next prime is 233646967. The reversal of 233646961 is 169646332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218123361 + 15523600 = 14769^2 + 3940^2 .

It is a cyclic number.

It is not a de Polignac number, because 233646961 - 2¹¹ = 233644913 is a prime.

It is not a weakly prime, because it can be changed into another prime (233646967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116823480 + 116823481.

It is an arithmetic number, because the mean of its divisors is an integer number (116823481).

Almost surely, 2^233646961 is an apocalyptic number.

It is an amenable number.

233646961 is a deficient number, since it is larger than the sum of its proper divisors (1).

233646961 is an equidigital number, since it uses as much as digits as its factorization.

233646961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 233646961 is about 15285.5147443585. The cubic root of 233646961 is about 615.9139569271.

The spelling of 233646961 in words is "two hundred thirty-three million, six hundred forty-six thousand, nine hundred sixty-one".