855725605 has 8 divisors (see below), whose sum is σ = 1173566592. Its totient is φ = 586783248.

The previous prime is 855725593. The next prime is 855725623. The reversal of 855725605 is 506527558.

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 855725605 - 2⁵ = 855725573 is a prime.

It is a super-2 number, since 2×855725605² = 1464532622105232050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12224617 + ... + 12224686.

It is an arithmetic number, because the mean of its divisors is an integer number (146695824).

Almost surely, 2^855725605 is an apocalyptic number.

It is an amenable number.

855725605 is a deficient number, since it is larger than the sum of its proper divisors (317840987).

855725605 is a wasteful number, since it uses less digits than its factorization.

855725605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24449315.

The product of its (nonzero) digits is 420000, while the sum is 43.

The square root of 855725605 is about 29252.7879867885. The cubic root of 855725605 is about 949.3904141019.

The spelling of 855725605 in words is "eight hundred fifty-five million, seven hundred twenty-five thousand, six hundred five".