236752561 has 2 divisors, whose sum is σ = 236752562. Its totient is φ = 236752560.

The previous prime is 236752463. The next prime is 236752613. The reversal of 236752561 is 165257632.

236752561 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., 230280625 + 6471936 = 15175^2 + 2544^2 .

It is a cyclic number.

It is not a de Polignac number, because 236752561 - 2²⁵ = 203198129 is a prime.

It is a Chen prime.

It is equal to p_12992932 and since 236752561 and 12992932 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 236752561.

It is not a weakly prime, because it can be changed into another prime (236752361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118376280 + 118376281.

It is an arithmetic number, because the mean of its divisors is an integer number (118376281).

Almost surely, 2^236752561 is an apocalyptic number.

It is an amenable number.

236752561 is a deficient number, since it is larger than the sum of its proper divisors (1).

236752561 is an equidigital number, since it uses as much as digits as its factorization.

236752561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 236752561 is about 15386.7657745219. The cubic root of 236752561 is about 618.6308331403.

The spelling of 236752561 in words is "two hundred thirty-six million, seven hundred fifty-two thousand, five hundred sixty-one".