236095021 has 2 divisors, whose sum is σ = 236095022. Its totient is φ = 236095020.

The previous prime is 236094979. The next prime is 236095051. The reversal of 236095021 is 120590632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130210921 + 105884100 = 11411^2 + 10290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-236095021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236095051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118047510 + 118047511.

It is an arithmetic number, because the mean of its divisors is an integer number (118047511).

Almost surely, 2^236095021 is an apocalyptic number.

It is an amenable number.

236095021 is a deficient number, since it is larger than the sum of its proper divisors (1).

236095021 is an equidigital number, since it uses as much as digits as its factorization.

236095021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 236095021 is about 15365.3838546260. The cubic root of 236095021 is about 618.0575881163.

The spelling of 236095021 in words is "two hundred thirty-six million, ninety-five thousand, twenty-one".