495499903 has 4 divisors (see below), whose sum is σ = 495653400. Its totient is φ = 495346408.

The previous prime is 495499861. The next prime is 495499909. The reversal of 495499903 is 309994594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495499903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495499909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71800 + ... + 78397.

It is an arithmetic number, because the mean of its divisors is an integer number (123913350).

Almost surely, 2^495499903 is an apocalyptic number.

495499903 is a deficient number, since it is larger than the sum of its proper divisors (153497).

495499903 is a wasteful number, since it uses less digits than its factorization.

495499903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153496.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The square root of 495499903 is about 22259.8271107392. The cubic root of 495499903 is about 791.3121935329.

The spelling of 495499903 in words is "four hundred ninety-five million, four hundred ninety-nine thousand, nine hundred three".