853495317 has 48 divisors (see below), whose sum is σ = 1352532480. Its totient is φ = 517104000.

The previous prime is 853495309. The next prime is 853495343. The reversal of 853495317 is 713594358.

853495317 is a `hidden beast` number, since 85 + 34 + 9 + 531 + 7 = 666.

It is not a de Polignac number, because 853495317 - 2³ = 853495309 is a prime.

It is a super-2 number, since 2×853495317² = 1456908512281860978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853495367) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 297942 + ... + 300792.

It is an arithmetic number, because the mean of its divisors is an integer number (28177760).

Almost surely, 2^853495317 is an apocalyptic number.

853495317 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

853495317 is a deficient number, since it is larger than the sum of its proper divisors (499037163).

853495317 is a wasteful number, since it uses less digits than its factorization.

853495317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954 (or 2951 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 853495317 is about 29214.6421679267. The cubic root of 853495317 is about 948.5648939231.

The spelling of 853495317 in words is "eight hundred fifty-three million, four hundred ninety-five thousand, three hundred seventeen".