365163 has 4 divisors (see below), whose sum is σ = 486888. Its totient is φ = 243440.

The previous prime is 365159. The next prime is 365173. The reversal of 365163 is 361563.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 365163 - 2² = 365159 is a prime.

It is a D-number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (365173) 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, 60858 + ... + 60863.

It is an arithmetic number, because the mean of its divisors is an integer number (121722).

2³⁶⁵¹⁶³ is an apocalyptic number.

365163 is a deficient number, since it is larger than the sum of its proper divisors (121725).

365163 is a wasteful number, since it uses less digits than its factorization.

365163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121724.

The product of its digits is 1620, while the sum is 24.

The square root of 365163 is about 604.2871833822. The cubic root of 365163 is about 71.4763316774.

Subtracting from 365163 its reverse (361563), we obtain a square (3600 = 60²).

It can be divided in two parts, 365 and 163, that multiplied together give a palindrome (59495).

The spelling of 365163 in words is "three hundred sixty-five thousand, one hundred sixty-three".