905163 has 8 divisors (see below), whose sum is σ = 1379328. Its totient is φ = 517224.

The previous prime is 905161. The next prime is 905167. The reversal of 905163 is 361509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 905163 - 2¹ = 905161 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (905161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21531 + ... + 21572.

It is an arithmetic number, because the mean of its divisors is an integer number (172416).

2⁹⁰⁵¹⁶³ is an apocalyptic number.

905163 is a deficient number, since it is larger than the sum of its proper divisors (474165).

905163 is a wasteful number, since it uses less digits than its factorization.

905163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43113.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 905163 is about 951.4005465628. The cubic root of 905163 is about 96.7332095668.

It can be divided in two parts, 90 and 5163, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 905163 in words is "nine hundred five thousand, one hundred sixty-three".