189250519 has 2 divisors, whose sum is σ = 189250520. Its totient is φ = 189250518.

The previous prime is 189250517. The next prime is 189250531. The reversal of 189250519 is 915052981.

It is a weak prime.

It is an emirp because it is prime and its reverse (915052981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189250519 - 2¹ = 189250517 is a prime.

It is a super-2 number, since 2×189250519² = 71631517883538722, which contains 22 as substring.

Together with 189250517, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189250517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94625259 + 94625260.

It is an arithmetic number, because the mean of its divisors is an integer number (94625260).

Almost surely, 2^189250519 is an apocalyptic number.

189250519 is a deficient number, since it is larger than the sum of its proper divisors (1).

189250519 is an equidigital number, since it uses as much as digits as its factorization.

189250519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 189250519 is about 13756.8353555605. The cubic root of 189250519 is about 574.1328014060.

The spelling of 189250519 in words is "one hundred eighty-nine million, two hundred fifty thousand, five hundred nineteen".