495687305 has 4 divisors (see below), whose sum is σ = 594824772. Its totient is φ = 396549840.

The previous prime is 495687293. The next prime is 495687331. The reversal of 495687305 is 503786594.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49970761 + 445716544 = 7069^2 + 21112^2 .

It is not a de Polignac number, because 495687305 - 2⁴ = 495687289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 495687305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49568726 + ... + 49568735.

It is an arithmetic number, because the mean of its divisors is an integer number (148706193).

Almost surely, 2^495687305 is an apocalyptic number.

It is an amenable number.

495687305 is a deficient number, since it is larger than the sum of its proper divisors (99137467).

495687305 is an equidigital number, since it uses as much as digits as its factorization.

495687305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99137466.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 495687305 is about 22264.0361345377. The cubic root of 495687305 is about 791.4119411450.

The spelling of 495687305 in words is "four hundred ninety-five million, six hundred eighty-seven thousand, three hundred five".