191083051 has 4 divisors (see below), whose sum is σ = 191595712. Its totient is φ = 190570392.

The previous prime is 191083033. The next prime is 191083069. The reversal of 191083051 is 150380191.

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

It is an interprime number because it is at equal distance from previous prime (191083033) and next prime (191083069).

It is a cyclic number.

It is not a de Polignac number, because 191083051 - 2⁷ = 191082923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (191083021) 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, 255771 + ... + 256516.

It is an arithmetic number, because the mean of its divisors is an integer number (47898928).

Almost surely, 2^191083051 is an apocalyptic number.

191083051 is a deficient number, since it is larger than the sum of its proper divisors (512661).

191083051 is an equidigital number, since it uses as much as digits as its factorization.

191083051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512660.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 191083051 is about 13823.2793142582. The cubic root of 191083051 is about 575.9799807777.

The spelling of 191083051 in words is "one hundred ninety-one million, eighty-three thousand, fifty-one".