685110653 has 8 divisors (see below), whose sum is σ = 690161472. Its totient is φ = 680071456.

The previous prime is 685110623. The next prime is 685110661. The reversal of 685110653 is 356011586.

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 685110653 - 2⁶ = 685110589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685110623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140726 + ... + 145512.

It is an arithmetic number, because the mean of its divisors is an integer number (86270184).

Almost surely, 2^685110653 is an apocalyptic number.

It is an amenable number.

685110653 is a deficient number, since it is larger than the sum of its proper divisors (5050819).

685110653 is a wasteful number, since it uses less digits than its factorization.

685110653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 685110653 is about 26174.6184881461. The cubic root of 685110653 is about 881.5634452759.

The spelling of 685110653 in words is "six hundred eighty-five million, one hundred ten thousand, six hundred fifty-three".