190925017 has 2 divisors, whose sum is σ = 190925018. Its totient is φ = 190925016.

The previous prime is 190924969. The next prime is 190925029. The reversal of 190925017 is 710529091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181413961 + 9511056 = 13469^2 + 3084^2 .

It is a cyclic number.

It is not a de Polignac number, because 190925017 - 2⁷ = 190924889 is a prime.

It is not a weakly prime, because it can be changed into another prime (190925087) 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, 95462508 + 95462509.

It is an arithmetic number, because the mean of its divisors is an integer number (95462509).

Almost surely, 2^190925017 is an apocalyptic number.

It is an amenable number.

190925017 is a deficient number, since it is larger than the sum of its proper divisors (1).

190925017 is an equidigital number, since it uses as much as digits as its factorization.

190925017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 190925017 is about 13817.5619050540. The cubic root of 190925017 is about 575.8211501452.

The spelling of 190925017 in words is "one hundred ninety million, nine hundred twenty-five thousand, seventeen".