495797791 has 2 divisors, whose sum is σ = 495797792. Its totient is φ = 495797790.

The previous prime is 495797777. The next prime is 495797801. The reversal of 495797791 is 197797594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 495797791 - 2²³ = 487409183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495795791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247898895 + 247898896.

It is an arithmetic number, because the mean of its divisors is an integer number (247898896).

Almost surely, 2^495797791 is an apocalyptic number.

495797791 is a deficient number, since it is larger than the sum of its proper divisors (1).

495797791 is an equidigital number, since it uses as much as digits as its factorization.

495797791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5000940, while the sum is 58.

The square root of 495797791 is about 22266.5172624728. The cubic root of 495797791 is about 791.4707372469.

The spelling of 495797791 in words is "four hundred ninety-five million, seven hundred ninety-seven thousand, seven hundred ninety-one".