685061233 has 8 divisors (see below), whose sum is σ = 715132800. Its totient is φ = 655013568.

The previous prime is 685061231. The next prime is 685061243. The reversal of 685061233 is 332160586.

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 685061233 - 2¹ = 685061231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (685061231) 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, 77673 + ... + 86041.

It is an arithmetic number, because the mean of its divisors is an integer number (89391600).

Almost surely, 2^685061233 is an apocalyptic number.

It is an amenable number.

685061233 is a deficient number, since it is larger than the sum of its proper divisors (30071567).

685061233 is a wasteful number, since it uses less digits than its factorization.

685061233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11951.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 685061233 is about 26173.6744267976. The cubic root of 685061233 is about 881.5422477692.

The spelling of 685061233 in words is "six hundred eighty-five million, sixty-one thousand, two hundred thirty-three".