610855 has 16 divisors (see below), whose sum is σ = 866304. Its totient is φ = 404640.

The previous prime is 610849. The next prime is 610867. The reversal of 610855 is 558016.

It is not a de Polignac number, because 610855 - 2³ = 610847 is a prime.

It is a Duffinian number.

610855 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804 + ... + 1366.

It is an arithmetic number, because the mean of its divisors is an integer number (54144).

2⁶¹⁰⁸⁵⁵ is an apocalyptic number.

610855 is a deficient number, since it is larger than the sum of its proper divisors (255449).

610855 is a wasteful number, since it uses less digits than its factorization.

610855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 610855 is about 781.5721335872. The cubic root of 610855 is about 84.8488663854.

The spelling of 610855 in words is "six hundred ten thousand, eight hundred fifty-five".