185284133 has 2 divisors, whose sum is σ = 185284134. Its totient is φ = 185284132.

The previous prime is 185284069. The next prime is 185284157. The reversal of 185284133 is 331482581.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164916964 + 20367169 = 12842^2 + 4513^2 .

It is a cyclic number.

It is not a de Polignac number, because 185284133 - 2⁶ = 185284069 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 185284093 and 185284102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185284193) 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, 92642066 + 92642067.

It is an arithmetic number, because the mean of its divisors is an integer number (92642067).

Almost surely, 2^185284133 is an apocalyptic number.

It is an amenable number.

185284133 is a deficient number, since it is larger than the sum of its proper divisors (1).

185284133 is an equidigital number, since it uses as much as digits as its factorization.

185284133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 185284133 is about 13611.9114381486. The cubic root of 185284133 is about 570.0934831798.

The spelling of 185284133 in words is "one hundred eighty-five million, two hundred eighty-four thousand, one hundred thirty-three".