2591163 has 16 divisors (see below), whose sum is σ = 4041600. Its totient is φ = 1636200.

The previous prime is 2591153. The next prime is 2591167. The reversal of 2591163 is 3611952.

It is not a de Polignac number, because 2591163 - 2⁵ = 2591131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2591167) 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 15 ways as a sum of consecutive naturals, for example, 2013 + ... + 3038.

It is an arithmetic number, because the mean of its divisors is an integer number (252600).

2^2591163 is an apocalyptic number.

2591163 is a deficient number, since it is larger than the sum of its proper divisors (1450437).

2591163 is a wasteful number, since it uses less digits than its factorization.

2591163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079 (or 5073 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 2591163 is about 1609.7089799091. The cubic root of 2591163 is about 137.3509216223.

The spelling of 2591163 in words is "two million, five hundred ninety-one thousand, one hundred sixty-three".