685456701 has 4 divisors (see below), whose sum is σ = 913942272. Its totient is φ = 456971132.

The previous prime is 685456669. The next prime is 685456703. The reversal of 685456701 is 107654586.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 685456701 - 2⁵ = 685456669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685456703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114242781 + ... + 114242786.

It is an arithmetic number, because the mean of its divisors is an integer number (228485568).

Almost surely, 2^685456701 is an apocalyptic number.

It is an amenable number.

685456701 is a deficient number, since it is larger than the sum of its proper divisors (228485571).

685456701 is a wasteful number, since it uses less digits than its factorization.

685456701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228485570.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 685456701 is about 26181.2280269662. The cubic root of 685456701 is about 881.7118455953.

The spelling of 685456701 in words is "six hundred eighty-five million, four hundred fifty-six thousand, seven hundred one".