791543 has 2 divisors, whose sum is σ = 791544. Its totient is φ = 791542.

The previous prime is 791519. The next prime is 791561. The reversal of 791543 is 345197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 791543 - 2¹⁰ = 790519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395771 + 395772.

It is an arithmetic number, because the mean of its divisors is an integer number (395772).

2⁷⁹¹⁵⁴³ is an apocalyptic number.

791543 is a deficient number, since it is larger than the sum of its proper divisors (1).

791543 is an equidigital number, since it uses as much as digits as its factorization.

791543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 791543 is about 889.6870236212. The cubic root of 791543 is about 92.5035012067.

The spelling of 791543 in words is "seven hundred ninety-one thousand, five hundred forty-three".