190525871 has 2 divisors, whose sum is σ = 190525872. Its totient is φ = 190525870.

The previous prime is 190525847. The next prime is 190525877. The reversal of 190525871 is 178525091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190525871 - 2¹⁸ = 190263727 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190525877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95262935 + 95262936.

It is an arithmetic number, because the mean of its divisors is an integer number (95262936).

Almost surely, 2^190525871 is an apocalyptic number.

190525871 is a deficient number, since it is larger than the sum of its proper divisors (1).

190525871 is an equidigital number, since it uses as much as digits as its factorization.

190525871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 190525871 is about 13803.1109174707. The cubic root of 190525871 is about 575.4196014753.

The spelling of 190525871 in words is "one hundred ninety million, five hundred twenty-five thousand, eight hundred seventy-one".