855041 has 4 divisors (see below), whose sum is σ = 932784. Its totient is φ = 777300.

The previous prime is 855031. The next prime is 855059. The reversal of 855041 is 140558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 855041 - 2¹⁰ = 854017 is a prime.

It is a super-2 number, since 2×855041² = 1462190223362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 854998 and 855016.

It is not an unprimeable number, because it can be changed into a prime (855031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38855 + ... + 38876.

It is an arithmetic number, because the mean of its divisors is an integer number (233196).

It is a Proth number, since it is equal to 835 ⋅ 2¹⁰ + 1 and 835 < 2¹⁰.

2⁸⁵⁵⁰⁴¹ is an apocalyptic number.

It is an amenable number.

855041 is a deficient number, since it is larger than the sum of its proper divisors (77743).

855041 is a wasteful number, since it uses less digits than its factorization.

855041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77742.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 855041 is about 924.6842704405. The cubic root of 855041 is about 94.9137166711.

Adding to 855041 its reverse (140558), we get a palindrome (995599).

The spelling of 855041 in words is "eight hundred fifty-five thousand, forty-one".