191714233 has 2 divisors, whose sum is σ = 191714234. Its totient is φ = 191714232.

The previous prime is 191714213. The next prime is 191714239. The reversal of 191714233 is 332417191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190108944 + 1605289 = 13788^2 + 1267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-191714233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 191714195 and 191714204.

It is not a weakly prime, because it can be changed into another prime (191714239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95857116 + 95857117.

It is an arithmetic number, because the mean of its divisors is an integer number (95857117).

Almost surely, 2^191714233 is an apocalyptic number.

It is an amenable number.

191714233 is a deficient number, since it is larger than the sum of its proper divisors (1).

191714233 is an equidigital number, since it uses as much as digits as its factorization.

191714233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 191714233 is about 13846.0908923783. The cubic root of 191714233 is about 576.6134725826.

The spelling of 191714233 in words is "one hundred ninety-one million, seven hundred fourteen thousand, two hundred thirty-three".