188925049 has 2 divisors, whose sum is σ = 188925050. Its totient is φ = 188925048.

The previous prime is 188925041. The next prime is 188925109. The reversal of 188925049 is 940529881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144769024 + 44156025 = 12032^2 + 6645^2 .

It is a cyclic number.

It is not a de Polignac number, because 188925049 - 2³ = 188925041 is a prime.

It is not a weakly prime, because it can be changed into another prime (188925041) 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, 94462524 + 94462525.

It is an arithmetic number, because the mean of its divisors is an integer number (94462525).

Almost surely, 2^188925049 is an apocalyptic number.

It is an amenable number.

188925049 is a deficient number, since it is larger than the sum of its proper divisors (1).

188925049 is an equidigital number, since it uses as much as digits as its factorization.

188925049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 188925049 is about 13745.0008730447. Note that the first 3 decimals coincide. The cubic root of 188925049 is about 573.8034844286.

The spelling of 188925049 in words is "one hundred eighty-eight million, nine hundred twenty-five thousand, forty-nine".