199530259 has 2 divisors, whose sum is σ = 199530260. Its totient is φ = 199530258.

The previous prime is 199530223. The next prime is 199530281. The reversal of 199530259 is 952035991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199530259 - 2²¹ = 197433107 is a prime.

It is not a weakly prime, because it can be changed into another prime (199530209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99765129 + 99765130.

It is an arithmetic number, because the mean of its divisors is an integer number (99765130).

Almost surely, 2^199530259 is an apocalyptic number.

199530259 is a deficient number, since it is larger than the sum of its proper divisors (1).

199530259 is an equidigital number, since it uses as much as digits as its factorization.

199530259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 199530259 is about 14125.5180082006. The cubic root of 199530259 is about 584.3453450554.

The spelling of 199530259 in words is "one hundred ninety-nine million, five hundred thirty thousand, two hundred fifty-nine".