4611591 has 12 divisors (see below), whose sum is σ = 6876480. Its totient is φ = 2975040.

The previous prime is 4611571. The next prime is 4611601. The reversal of 4611591 is 1951164.

It is not a de Polignac number, because 4611591 - 2¹¹ = 4609543 is a prime.

4611591 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4611511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7986 + ... + 8543.

It is an arithmetic number, because the mean of its divisors is an integer number (573040).

Almost surely, 2^4611591 is an apocalyptic number.

4611591 is a deficient number, since it is larger than the sum of its proper divisors (2264889).

4611591 is a wasteful number, since it uses less digits than its factorization.

4611591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16566 (or 16563 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 4611591 is about 2147.4615246844. The cubic root of 4611591 is about 166.4499213621.

The spelling of 4611591 in words is "four million, six hundred eleven thousand, five hundred ninety-one".