236324981 has 2 divisors, whose sum is σ = 236324982. Its totient is φ = 236324980.

The previous prime is 236324927. The next prime is 236325049. The reversal of 236324981 is 189423632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195748081 + 40576900 = 13991^2 + 6370^2 .

It is a cyclic number.

It is not a de Polignac number, because 236324981 - 2¹⁸ = 236062837 is a prime.

It is a super-2 number, since 2×236324981² = 111698993289300722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236324911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118162490 + 118162491.

It is an arithmetic number, because the mean of its divisors is an integer number (118162491).

Almost surely, 2^236324981 is an apocalyptic number.

It is an amenable number.

236324981 is a deficient number, since it is larger than the sum of its proper divisors (1).

236324981 is an equidigital number, since it uses as much as digits as its factorization.

236324981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 236324981 is about 15372.8650875496. The cubic root of 236324981 is about 618.2581887082.

The spelling of 236324981 in words is "two hundred thirty-six million, three hundred twenty-four thousand, nine hundred eighty-one".