495421285 has 8 divisors (see below), whose sum is σ = 599187456. Its totient is φ = 393215760.

The previous prime is 495421279. The next prime is 495421301. The reversal of 495421285 is 582124594.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-495421285 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389461 + ... + 390730.

It is an arithmetic number, because the mean of its divisors is an integer number (74898432).

Almost surely, 2^495421285 is an apocalyptic number.

It is an amenable number.

495421285 is a deficient number, since it is larger than the sum of its proper divisors (103766171).

495421285 is a wasteful number, since it uses less digits than its factorization.

495421285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780323.

The product of its digits is 115200, while the sum is 40.

The square root of 495421285 is about 22258.0611240063. The cubic root of 495421285 is about 791.2703403982.

The spelling of 495421285 in words is "four hundred ninety-five million, four hundred twenty-one thousand, two hundred eighty-five".