791519 has 2 divisors, whose sum is σ = 791520. Its totient is φ = 791518.

The previous prime is 791489. The next prime is 791543. The reversal of 791519 is 915197.

It is a strong prime.

It is an emirp because it is prime and its reverse (915197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791519 - 2¹⁶ = 725983 is a prime.

It is a super-2 number, since 2×791519² = 1253004654722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 791519.

It is not a weakly prime, because it can be changed into another prime (791569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395759 + 395760.

It is an arithmetic number, because the mean of its divisors is an integer number (395760).

2⁷⁹¹⁵¹⁹ is an apocalyptic number.

791519 is a deficient number, since it is larger than the sum of its proper divisors (1).

791519 is an equidigital number, since it uses as much as digits as its factorization.

791519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835, while the sum is 32.

The square root of 791519 is about 889.6735356298. The cubic root of 791519 is about 92.5025662789.

The spelling of 791519 in words is "seven hundred ninety-one thousand, five hundred nineteen".