685081435 has 8 divisors (see below), whose sum is σ = 822238560. Its totient is φ = 547971264.

The previous prime is 685081433. The next prime is 685081451. The reversal of 685081435 is 534180586.

685081435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 685081435 - 2¹ = 685081433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (685081433) 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, 48154 + ... + 60736.

It is an arithmetic number, because the mean of its divisors is an integer number (102779820).

Almost surely, 2^685081435 is an apocalyptic number.

685081435 is a deficient number, since it is larger than the sum of its proper divisors (137157125).

685081435 is a wasteful number, since it uses less digits than its factorization.

685081435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23477.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 685081435 is about 26174.0603460755. The cubic root of 685081435 is about 881.5509130488.

The spelling of 685081435 in words is "six hundred eighty-five million, eighty-one thousand, four hundred thirty-five".