495903913 has 2 divisors, whose sum is σ = 495903914. Its totient is φ = 495903912.

The previous prime is 495903901. The next prime is 495903997. The reversal of 495903913 is 319309594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359785024 + 136118889 = 18968^2 + 11667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495903913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 495903913.

It is not a weakly prime, because it can be changed into another prime (495903313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247951956 + 247951957.

It is an arithmetic number, because the mean of its divisors is an integer number (247951957).

Almost surely, 2^495903913 is an apocalyptic number.

It is an amenable number.

495903913 is a deficient number, since it is larger than the sum of its proper divisors (1).

495903913 is an equidigital number, since it uses as much as digits as its factorization.

495903913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 495903913 is about 22268.9001300019. The cubic root of 495903913 is about 791.5272027840.

The spelling of 495903913 in words is "four hundred ninety-five million, nine hundred three thousand, nine hundred thirteen".