7813163 has 4 divisors (see below), whose sum is σ = 7818840. Its totient is φ = 7807488.

The previous prime is 7813153. The next prime is 7813177. The reversal of 7813163 is 3613187.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7813163 - 2⁸ = 7812907 is a prime.

It is a super-2 number, since 2×7813163² = 122091032129138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7813103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (1954710).

Almost surely, 2^7813163 is an apocalyptic number.

7813163 is a deficient number, since it is larger than the sum of its proper divisors (5677).

7813163 is a wasteful number, since it uses less digits than its factorization.

7813163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676.

The product of its digits is 3024, while the sum is 29.

The square root of 7813163 is about 2795.2035704041. The cubic root of 7813163 is about 198.4307443874.

Adding to 7813163 its product of digits (3024), we get a palindrome (7816187).

The spelling of 7813163 in words is "seven million, eight hundred thirteen thousand, one hundred sixty-three".