233017013 has 2 divisors, whose sum is σ = 233017014. Its totient is φ = 233017012.

The previous prime is 233016881. The next prime is 233017067. The reversal of 233017013 is 310710332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120275089 + 112741924 = 10967^2 + 10618^2 .

It is a cyclic number.

It is not a de Polignac number, because 233017013 - 2⁸ = 233016757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233017073) 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, 116508506 + 116508507.

It is an arithmetic number, because the mean of its divisors is an integer number (116508507).

Almost surely, 2^233017013 is an apocalyptic number.

It is an amenable number.

233017013 is a deficient number, since it is larger than the sum of its proper divisors (1).

233017013 is an equidigital number, since it uses as much as digits as its factorization.

233017013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 233017013 is about 15264.8947916453. The cubic root of 233017013 is about 615.3599259169.

Adding to 233017013 its reverse (310710332), we get a palindrome (543727345).

The spelling of 233017013 in words is "two hundred thirty-three million, seventeen thousand, thirteen".