685514371 has 8 divisors (see below), whose sum is σ = 692840304. Its totient is φ = 678199200.

The previous prime is 685514369. The next prime is 685514381. The reversal of 685514371 is 173415586.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 685514371 - 2¹ = 685514369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (685514381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221980 + ... + 225046.

It is an arithmetic number, because the mean of its divisors is an integer number (86605038).

Almost surely, 2^685514371 is an apocalyptic number.

685514371 is a deficient number, since it is larger than the sum of its proper divisors (7325933).

685514371 is a wasteful number, since it uses less digits than its factorization.

685514371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381.

The product of its digits is 100800, while the sum is 40.

The square root of 685514371 is about 26182.3293654327. The cubic root of 685514371 is about 881.7365721249.

The spelling of 685514371 in words is "six hundred eighty-five million, five hundred fourteen thousand, three hundred seventy-one".