495791 has 2 divisors, whose sum is σ = 495792. Its totient is φ = 495790.

The previous prime is 495787. The next prime is 495797. The reversal of 495791 is 197594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495791 - 2² = 495787 is a prime.

It is a Chen prime.

It is a plaindrome in base 13.

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 495791.

It is not a weakly prime, because it can be changed into another prime (495797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247895 + 247896.

It is an arithmetic number, because the mean of its divisors is an integer number (247896).

2⁴⁹⁵⁷⁹¹ is an apocalyptic number.

495791 is a deficient number, since it is larger than the sum of its proper divisors (1).

495791 is an equidigital number, since it uses as much as digits as its factorization.

495791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 35.

The square root of 495791 is about 704.1242788031. The cubic root of 495791 is about 79.1467123608.

The spelling of 495791 in words is "four hundred ninety-five thousand, seven hundred ninety-one".