233616013 has 2 divisors, whose sum is σ = 233616014. Its totient is φ = 233616012.

The previous prime is 233616007. The next prime is 233616029. The reversal of 233616013 is 310616332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182736324 + 50879689 = 13518^2 + 7133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233616013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233616413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116808006 + 116808007.

It is an arithmetic number, because the mean of its divisors is an integer number (116808007).

Almost surely, 2^233616013 is an apocalyptic number.

It is an amenable number.

233616013 is a deficient number, since it is larger than the sum of its proper divisors (1).

233616013 is an equidigital number, since it uses as much as digits as its factorization.

233616013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 233616013 is about 15284.5023798618. The cubic root of 233616013 is about 615.8867618422.

The spelling of 233616013 in words is "two hundred thirty-three million, six hundred sixteen thousand, thirteen".