190552589 has 2 divisors, whose sum is σ = 190552590. Its totient is φ = 190552588.

The previous prime is 190552529. The next prime is 190552603. The reversal of 190552589 is 985255091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184009225 + 6543364 = 13565^2 + 2558^2 .

It is a cyclic number.

It is not a de Polignac number, because 190552589 - 2⁸ = 190552333 is a 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 (190552529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95276294 + 95276295.

It is an arithmetic number, because the mean of its divisors is an integer number (95276295).

Almost surely, 2^190552589 is an apocalyptic number.

It is an amenable number.

190552589 is a deficient number, since it is larger than the sum of its proper divisors (1).

190552589 is an equidigital number, since it uses as much as digits as its factorization.

190552589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 44.

The square root of 190552589 is about 13804.0787088454. The cubic root of 190552589 is about 575.4464978092.

The spelling of 190552589 in words is "one hundred ninety million, five hundred fifty-two thousand, five hundred eighty-nine".