791251 has 2 divisors, whose sum is σ = 791252. Its totient is φ = 791250.

The previous prime is 791233. The next prime is 791257. The reversal of 791251 is 152197.

It is a strong prime.

It is an emirp because it is prime and its reverse (152197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791251 - 2⁹ = 790739 is a prime.

It is not a weakly prime, because it can be changed into another prime (791257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395625 + 395626.

It is an arithmetic number, because the mean of its divisors is an integer number (395626).

2⁷⁹¹²⁵¹ is an apocalyptic number.

791251 is a deficient number, since it is larger than the sum of its proper divisors (1).

791251 is an equidigital number, since it uses as much as digits as its factorization.

791251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630, while the sum is 25.

The square root of 791251 is about 889.5229058321. The cubic root of 791251 is about 92.4921249687.

The spelling of 791251 in words is "seven hundred ninety-one thousand, two hundred fifty-one".