230536661 has 2 divisors, whose sum is σ = 230536662. Its totient is φ = 230536660.

The previous prime is 230536651. The next prime is 230536667. The reversal of 230536661 is 166635032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230280625 + 256036 = 15175^2 + 506^2 .

It is a cyclic number.

It is not a de Polignac number, because 230536661 - 2⁶ = 230536597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230536667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115268330 + 115268331.

It is an arithmetic number, because the mean of its divisors is an integer number (115268331).

Almost surely, 2^230536661 is an apocalyptic number.

It is an amenable number.

230536661 is a deficient number, since it is larger than the sum of its proper divisors (1).

230536661 is an equidigital number, since it uses as much as digits as its factorization.

230536661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 230536661 is about 15183.4337684201. The cubic root of 230536661 is about 613.1687310010.

The spelling of 230536661 in words is "two hundred thirty million, five hundred thirty-six thousand, six hundred sixty-one".