6503163 has 16 divisors (see below), whose sum is σ = 9499680. Its totient is φ = 3938816.

The previous prime is 6503143. The next prime is 6503173. The reversal of 6503163 is 3613056.

6503163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6503163 - 2⁶ = 6503099 is a prime.

It is a super-2 number, since 2×6503163² = 84582258009138, which contains 22 as substring.

6503163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6503113) 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, 720 + ... + 3677.

It is an arithmetic number, because the mean of its divisors is an integer number (593730).

Almost surely, 2^6503163 is an apocalyptic number.

6503163 is a deficient number, since it is larger than the sum of its proper divisors (2996517).

6503163 is a wasteful number, since it uses less digits than its factorization.

6503163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446.

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

The square root of 6503163 is about 2550.1299966864. The cubic root of 6503163 is about 186.6558245545.

It can be divided in two parts, 65031 and 63, that multiplied together give a triangular number (4096953 = T₂₈₆₂).

The spelling of 6503163 in words is "six million, five hundred three thousand, one hundred sixty-three".