2115583 has 4 divisors (see below), whose sum is σ = 2126520. Its totient is φ = 2104648.

The previous prime is 2115571. The next prime is 2115629. The reversal of 2115583 is 3855112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2115583 - 2¹⁷ = 1984511 is a prime.

It is a Duffinian number.

2115583 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115523) 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, 5173 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (531630).

2^2115583 is an apocalyptic number.

2115583 is a deficient number, since it is larger than the sum of its proper divisors (10937).

2115583 is a wasteful number, since it uses less digits than its factorization.

2115583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936.

The product of its digits is 1200, while the sum is 25.

The square root of 2115583 is about 1454.5043829429. The cubic root of 2115583 is about 128.3738864737.

The spelling of 2115583 in words is "two million, one hundred fifteen thousand, five hundred eighty-three".