685233035 has 4 divisors (see below), whose sum is σ = 822279648. Its totient is φ = 548186424.

The previous prime is 685233023. The next prime is 685233049. The reversal of 685233035 is 530332586.

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

It is a cyclic number.

It is not a de Polignac number, because 685233035 - 2¹⁶ = 685167499 is a prime.

It is a super-2 number, since 2×685233035² = 939088624510622450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 685232986 and 685233004.

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 3 ways as a sum of consecutive naturals, for example, 68523299 + ... + 68523308.

It is an arithmetic number, because the mean of its divisors is an integer number (205569912).

Almost surely, 2^685233035 is an apocalyptic number.

685233035 is a deficient number, since it is larger than the sum of its proper divisors (137046613).

685233035 is a wasteful number, since it uses less digits than its factorization.

685233035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137046612.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 685233035 is about 26176.9561828720. The cubic root of 685233035 is about 881.6159336702.

The spelling of 685233035 in words is "six hundred eighty-five million, two hundred thirty-three thousand, thirty-five".