113642033 has 2 divisors, whose sum is σ = 113642034. Its totient is φ = 113642032.

The previous prime is 113642027. The next prime is 113642047. The reversal of 113642033 is 330246311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109348849 + 4293184 = 10457^2 + 2072^2 .

It is a cyclic number.

It is not a de Polignac number, because 113642033 - 2⁸ = 113641777 is a prime.

It is not a weakly prime, because it can be changed into another prime (113642003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56821016 + 56821017.

It is an arithmetic number, because the mean of its divisors is an integer number (56821017).

Almost surely, 2^113642033 is an apocalyptic number.

It is an amenable number.

113642033 is a deficient number, since it is larger than the sum of its proper divisors (1).

113642033 is an equidigital number, since it uses as much as digits as its factorization.

113642033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 113642033 is about 10660.3017311894. The cubic root of 113642033 is about 484.3727079905.

Adding to 113642033 its reverse (330246311), we get a palindrome (443888344).

The spelling of 113642033 in words is "one hundred thirteen million, six hundred forty-two thousand, thirty-three".