185736961 has 2 divisors, whose sum is σ = 185736962. Its totient is φ = 185736960.

The previous prime is 185736871. The next prime is 185737061. The reversal of 185736961 is 169637581.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175297600 + 10439361 = 13240^2 + 3231^2 .

It is a cyclic number.

It is not a de Polignac number, because 185736961 - 2⁷ = 185736833 is a prime.

It is not a weakly prime, because it can be changed into another prime (185736461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92868480 + 92868481.

It is an arithmetic number, because the mean of its divisors is an integer number (92868481).

Almost surely, 2^185736961 is an apocalyptic number.

It is an amenable number.

185736961 is a deficient number, since it is larger than the sum of its proper divisors (1).

185736961 is an equidigital number, since it uses as much as digits as its factorization.

185736961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 185736961 is about 13628.5348075279. The cubic root of 185736961 is about 570.5575349148.

The spelling of 185736961 in words is "one hundred eighty-five million, seven hundred thirty-six thousand, nine hundred sixty-one".