495839291 has 2 divisors, whose sum is σ = 495839292. Its totient is φ = 495839290.

The previous prime is 495839251. The next prime is 495839299. The reversal of 495839291 is 192938594.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 495839291 - 2¹⁴ = 495822907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (495839299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247919645 + 247919646.

It is an arithmetic number, because the mean of its divisors is an integer number (247919646).

Almost surely, 2^495839291 is an apocalyptic number.

495839291 is a deficient number, since it is larger than the sum of its proper divisors (1).

495839291 is an equidigital number, since it uses as much as digits as its factorization.

495839291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 50.

The square root of 495839291 is about 22267.4491354533. The cubic root of 495839291 is about 791.4928195822.

The spelling of 495839291 in words is "four hundred ninety-five million, eight hundred thirty-nine thousand, two hundred ninety-one".