236422513 has 2 divisors, whose sum is σ = 236422514. Its totient is φ = 236422512.

The previous prime is 236422493. The next prime is 236422541. The reversal of 236422513 is 315224632.

236422513 = 10872² + 10873².

236422513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (236422541) can be obtained adding 236422513 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118222129 + 118200384 = 10873^2 + 10872^2 .

It is a cyclic number.

It is not a de Polignac number, because 236422513 - 2⁵ = 236422481 is a prime.

It is not a weakly prime, because it can be changed into another prime (236422573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118211256 + 118211257.

It is an arithmetic number, because the mean of its divisors is an integer number (118211257).

Almost surely, 2^236422513 is an apocalyptic number.

236422513 is the 10873-rd centered square number.

It is an amenable number.

236422513 is a deficient number, since it is larger than the sum of its proper divisors (1).

236422513 is an equidigital number, since it uses as much as digits as its factorization.

236422513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 28.

The square root of 236422513 is about 15376.0369731605. The cubic root of 236422513 is about 618.3432293219.

The spelling of 236422513 in words is "two hundred thirty-six million, four hundred twenty-two thousand, five hundred thirteen".