185011049 has 2 divisors, whose sum is σ = 185011050. Its totient is φ = 185011048.

The previous prime is 185010979. The next prime is 185011061. The reversal of 185011049 is 940110581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98148649 + 86862400 = 9907^2 + 9320^2 .

It is a cyclic number.

It is not a de Polignac number, because 185011049 - 2¹² = 185006953 is a prime.

It is not a weakly prime, because it can be changed into another prime (185011349) 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, 92505524 + 92505525.

It is an arithmetic number, because the mean of its divisors is an integer number (92505525).

Almost surely, 2^185011049 is an apocalyptic number.

It is an amenable number.

185011049 is a deficient number, since it is larger than the sum of its proper divisors (1).

185011049 is an equidigital number, since it uses as much as digits as its factorization.

185011049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 185011049 is about 13601.8766719891. The cubic root of 185011049 is about 569.8132649829.

The spelling of 185011049 in words is "one hundred eighty-five million, eleven thousand, forty-nine".