855063 has 16 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 518040.

The previous prime is 855061. The next prime is 855067. The reversal of 855063 is 360558.

It is not a de Polignac number, because 855063 - 2¹ = 855061 is a prime.

It is a super-2 number, since 2×855063² = 1462265467938, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2⁸⁵⁵⁰⁶³ is an apocalyptic number.

855063 is a deficient number, since it is larger than the sum of its proper divisors (527337).

855063 is a wasteful number, since it uses less digits than its factorization.

855063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899 (or 2893 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 855063 is about 924.6961663163. The cubic root of 855063 is about 94.9145306999.

The spelling of 855063 in words is "eight hundred fifty-five thousand, sixty-three".