233656513 has 2 divisors, whose sum is σ = 233656514. Its totient is φ = 233656512.

The previous prime is 233656469. The next prime is 233656519. The reversal of 233656513 is 315656332.

233656513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206439424 + 27217089 = 14368^2 + 5217^2 .

It is a cyclic number.

It is not a de Polignac number, because 233656513 - 2¹³ = 233648321 is a prime.

It is not a weakly prime, because it can be changed into another prime (233656519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116828256 + 116828257.

It is an arithmetic number, because the mean of its divisors is an integer number (116828257).

Almost surely, 2^233656513 is an apocalyptic number.

It is an amenable number.

233656513 is a deficient number, since it is larger than the sum of its proper divisors (1).

233656513 is an equidigital number, since it uses as much as digits as its factorization.

233656513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 34.

The square root of 233656513 is about 15285.8271938420. The cubic root of 233656513 is about 615.9223501170.

The spelling of 233656513 in words is "two hundred thirty-three million, six hundred fifty-six thousand, five hundred thirteen".