190225787 has 2 divisors, whose sum is σ = 190225788. Its totient is φ = 190225786.

The previous prime is 190225757. The next prime is 190225813. The reversal of 190225787 is 787522091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190225787 - 2¹⁰ = 190224763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (190225757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95112893 + 95112894.

It is an arithmetic number, because the mean of its divisors is an integer number (95112894).

Almost surely, 2^190225787 is an apocalyptic number.

190225787 is a deficient number, since it is larger than the sum of its proper divisors (1).

190225787 is an equidigital number, since it uses as much as digits as its factorization.

190225787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 190225787 is about 13792.2364756409. The cubic root of 190225787 is about 575.1173416476.

The spelling of 190225787 in words is "one hundred ninety million, two hundred twenty-five thousand, seven hundred eighty-seven".