113232661 has 2 divisors, whose sum is σ = 113232662. Its totient is φ = 113232660.

The previous prime is 113232629. The next prime is 113232673. The reversal of 113232661 is 166232311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62110161 + 51122500 = 7881^2 + 7150^2 .

It is a cyclic number.

It is not a de Polignac number, because 113232661 - 2⁵ = 113232629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113236661) 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, 56616330 + 56616331.

It is an arithmetic number, because the mean of its divisors is an integer number (56616331).

Almost surely, 2^113232661 is an apocalyptic number.

It is an amenable number.

113232661 is a deficient number, since it is larger than the sum of its proper divisors (1).

113232661 is an equidigital number, since it uses as much as digits as its factorization.

113232661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 113232661 is about 10641.0836384271. The cubic root of 113232661 is about 483.7903905898.

Adding to 113232661 its reverse (166232311), we get a palindrome (279464972).

The spelling of 113232661 in words is "one hundred thirteen million, two hundred thirty-two thousand, six hundred sixty-one".