2403163 has 4 divisors (see below), whose sum is σ = 2746480. Its totient is φ = 2059848.

The previous prime is 2403161. The next prime is 2403169. The reversal of 2403163 is 3613042.

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

It is not a de Polignac number, because 2403163 - 2¹ = 2403161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2403163.

It is not an unprimeable number, because it can be changed into a prime (2403161) 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, 171648 + ... + 171661.

It is an arithmetic number, because the mean of its divisors is an integer number (686620).

2^2403163 is an apocalyptic number.

2403163 is a deficient number, since it is larger than the sum of its proper divisors (343317).

2403163 is an equidigital number, since it uses as much as digits as its factorization.

2403163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343316.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2403163 is about 1550.2138562147. The cubic root of 2403163 is about 133.9453813195.

It can be divided in two parts, 240 and 3163, that added together give a triangular number (3403 = T₈₂).

The spelling of 2403163 in words is "two million, four hundred three thousand, one hundred sixty-three".