190225757 has 2 divisors, whose sum is σ = 190225758. Its totient is φ = 190225756.

The previous prime is 190225667. The next prime is 190225787. The reversal of 190225757 is 757522091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189723076 + 502681 = 13774^2 + 709^2 .

It is a cyclic number.

It is not a de Polignac number, because 190225757 - 2⁸ = 190225501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190225757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190225787) 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, 95112878 + 95112879.

It is an arithmetic number, because the mean of its divisors is an integer number (95112879).

Almost surely, 2^190225757 is an apocalyptic number.

It is an amenable number.

190225757 is a deficient number, since it is larger than the sum of its proper divisors (1).

190225757 is an equidigital number, since it uses as much as digits as its factorization.

190225757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 190225757 is about 13792.2353880725. The cubic root of 190225757 is about 575.1173114142.

The spelling of 190225757 in words is "one hundred ninety million, two hundred twenty-five thousand, seven hundred fifty-seven".