791292197 has 2 divisors, whose sum is σ = 791292198. Its totient is φ = 791292196.

The previous prime is 791292191. The next prime is 791292223.

791292197 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 785905156 + 5387041 = 28034^2 + 2321^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 791292197 - 2⁶ = 791292133 is a prime.

It is a super-2 number, since 2×791292197² = 1252286682066173618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791292191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395646098 + 395646099.

It is an arithmetic number, because the mean of its divisors is an integer number (395646099).

Almost surely, 2^791292197 is an apocalyptic number.

It is an amenable number.

791292197 is a deficient number, since it is larger than the sum of its proper divisors (1).

791292197 is an equidigital number, since it uses as much as digits as its factorization.

791292197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 47.

The square root of 791292197 is about 28129.9164058481. The cubic root of 791292197 is about 924.9373016183.

The spelling of 791292197 in words is "seven hundred ninety-one million, two hundred ninety-two thousand, one hundred ninety-seven".