236485133 has 2 divisors, whose sum is σ = 236485134. Its totient is φ = 236485132.

The previous prime is 236485091. The next prime is 236485141. The reversal of 236485133 is 331584632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147428164 + 89056969 = 12142^2 + 9437^2 .

It is a cyclic number.

It is not a de Polignac number, because 236485133 - 2⁶ = 236485069 is a prime.

It is a Chen prime.

It is equal to p_12979115 and since 236485133 and 12979115 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 236485093 and 236485102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236485933) 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, 118242566 + 118242567.

It is an arithmetic number, because the mean of its divisors is an integer number (118242567).

Almost surely, 2^236485133 is an apocalyptic number.

It is an amenable number.

236485133 is a deficient number, since it is larger than the sum of its proper divisors (1).

236485133 is an equidigital number, since it uses as much as digits as its factorization.

236485133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 236485133 is about 15378.0731237694. The cubic root of 236485133 is about 618.3978169532.

The spelling of 236485133 in words is "two hundred thirty-six million, four hundred eighty-five thousand, one hundred thirty-three".