185950081 has 2 divisors, whose sum is σ = 185950082. Its totient is φ = 185950080.

The previous prime is 185950031. The next prime is 185950091. The reversal of 185950081 is 180059581.

185950081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183873600 + 2076481 = 13560^2 + 1441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-185950081 is a prime.

It is a super-2 number, since 2×185950081² = 69154865247813122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 185950081.

It is not a weakly prime, because it can be changed into another prime (185950031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92975040 + 92975041.

It is an arithmetic number, because the mean of its divisors is an integer number (92975041).

Almost surely, 2^185950081 is an apocalyptic number.

It is an amenable number.

185950081 is a deficient number, since it is larger than the sum of its proper divisors (1).

185950081 is an equidigital number, since it uses as much as digits as its factorization.

185950081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 37.

The square root of 185950081 is about 13636.3514548430. The cubic root of 185950081 is about 570.7756762812.

It can be divided in two parts, 1859500 and 81, that added together give a palindrome (1859581).

The spelling of 185950081 in words is "one hundred eighty-five million, nine hundred fifty thousand, eighty-one".