199975013 has 8 divisors (see below), whose sum is σ = 232416960. Its totient is φ = 168501600.

The previous prime is 199975007. The next prime is 199975021. The reversal of 199975013 is 310579991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199975013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199975033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241688 + ... + 242513.

It is an arithmetic number, because the mean of its divisors is an integer number (29052120).

Almost surely, 2^199975013 is an apocalyptic number.

It is an amenable number.

199975013 is a deficient number, since it is larger than the sum of its proper divisors (32441947).

199975013 is an equidigital number, since it uses as much as digits as its factorization.

199975013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484267.

The product of its (nonzero) digits is 76545, while the sum is 44.

The square root of 199975013 is about 14141.2521722795. The cubic root of 199975013 is about 584.7791924845.

The spelling of 199975013 in words is "one hundred ninety-nine million, nine hundred seventy-five thousand, thirteen".