855025 has 12 divisors (see below), whose sum is σ = 1107072. Its totient is φ = 653840.

The previous prime is 854999. The next prime is 855031. The reversal of 855025 is 520558.

It is not a de Polignac number, because 855025 - 2⁵ = 854993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

855025 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (92256).

2⁸⁵⁵⁰²⁵ is an apocalyptic number.

It is an amenable number.

855025 is a deficient number, since it is larger than the sum of its proper divisors (252047).

855025 is a wasteful number, since it uses less digits than its factorization.

855025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1515 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 855025 is about 924.6756187983. The cubic root of 855025 is about 94.9131246414.

The spelling of 855025 in words is "eight hundred fifty-five thousand, twenty-five".