236113481 has 2 divisors, whose sum is σ = 236113482. Its totient is φ = 236113480.

The previous prime is 236113439. The next prime is 236113489. The reversal of 236113481 is 184311632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206899456 + 29214025 = 14384^2 + 5405^2 .

It is a cyclic number.

It is not a de Polignac number, because 236113481 - 2⁶ = 236113417 is a prime.

It is a super-2 number, since 2×236113481² = 111499151819874722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (236113489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118056740 + 118056741.

It is an arithmetic number, because the mean of its divisors is an integer number (118056741).

Almost surely, 2^236113481 is an apocalyptic number.

It is an amenable number.

236113481 is a deficient number, since it is larger than the sum of its proper divisors (1).

236113481 is an equidigital number, since it uses as much as digits as its factorization.

236113481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 236113481 is about 15365.9845437902. The cubic root of 236113481 is about 618.0736961021.

The spelling of 236113481 in words is "two hundred thirty-six million, one hundred thirteen thousand, four hundred eighty-one".