190250563 has 2 divisors, whose sum is σ = 190250564. Its totient is φ = 190250562.

The previous prime is 190250539. The next prime is 190250597. The reversal of 190250563 is 365052091.

It is a weak prime.

It is an emirp because it is prime and its reverse (365052091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190250563 - 2²¹ = 188153411 is a prime.

It is not a weakly prime, because it can be changed into another prime (190250513) 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, 95125281 + 95125282.

It is an arithmetic number, because the mean of its divisors is an integer number (95125282).

Almost surely, 2^190250563 is an apocalyptic number.

190250563 is a deficient number, since it is larger than the sum of its proper divisors (1).

190250563 is an equidigital number, since it uses as much as digits as its factorization.

190250563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 190250563 is about 13793.1346328527. The cubic root of 190250563 is about 575.1423093258.

The spelling of 190250563 in words is "one hundred ninety million, two hundred fifty thousand, five hundred sixty-three".