809313275 has 12 divisors (see below), whose sum is σ = 1003905984. Its totient is φ = 647220000.

The previous prime is 809313217. The next prime is 809313283. The reversal of 809313275 is 572313908.

It is a de Polignac number, because none of the positive numbers 2^k-809313275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 117425 + ... + 124125.

It is an arithmetic number, because the mean of its divisors is an integer number (83658832).

Almost surely, 2^809313275 is an apocalyptic number.

809313275 is a deficient number, since it is larger than the sum of its proper divisors (194592709).

809313275 is a wasteful number, since it uses less digits than its factorization.

809313275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542 (or 11537 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 809313275 is about 28448.4318548492. The cubic root of 809313275 is about 931.9062434468.

The spelling of 809313275 in words is "eight hundred nine million, three hundred thirteen thousand, two hundred seventy-five".