611000685 has 32 divisors (see below), whose sum is σ = 1088847360. Its totient is φ = 325080000.

The previous prime is 611000633. The next prime is 611000693. The reversal of 611000685 is 586000116.

It is not a de Polignac number, because 611000685 - 2²⁵ = 577446253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52935 + ... + 63435.

It is an arithmetic number, because the mean of its divisors is an integer number (34026480).

Almost surely, 2^611000685 is an apocalyptic number.

It is an amenable number.

611000685 is a deficient number, since it is larger than the sum of its proper divisors (477846675).

611000685 is a wasteful number, since it uses less digits than its factorization.

611000685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10946 (or 10940 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 611000685 is about 24718.4280446795. The cubic root of 611000685 is about 848.5561115270.

The spelling of 611000685 in words is "six hundred eleven million, six hundred eighty-five", and thus it is an aban number.