199272959 has 4 divisors (see below), whose sum is σ = 199775304. Its totient is φ = 198770616.

The previous prime is 199272907. The next prime is 199272961. The reversal of 199272959 is 959272991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199272959 - 2¹² = 199268863 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 199272959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199272979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250577 + ... + 251370.

It is an arithmetic number, because the mean of its divisors is an integer number (49943826).

Almost surely, 2^199272959 is an apocalyptic number.

199272959 is a deficient number, since it is larger than the sum of its proper divisors (502345).

199272959 is an equidigital number, since it uses as much as digits as its factorization.

199272959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502344.

The product of its digits is 918540, while the sum is 53.

The square root of 199272959 is about 14116.4074395719. The cubic root of 199272959 is about 584.0940603094.

The spelling of 199272959 in words is "one hundred ninety-nine million, two hundred seventy-two thousand, nine hundred fifty-nine".