2113659 has 6 divisors (see below), whose sum is σ = 3053076. Its totient is φ = 1409100.

The previous prime is 2113651. The next prime is 2113667. The reversal of 2113659 is 9563112.

2113659 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 659 = 666.

It is an interprime number because it is at equal distance from previous prime (2113651) and next prime (2113667).

It is not a de Polignac number, because 2113659 - 2³ = 2113651 is a prime.

2113659 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2113651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117417 + ... + 117434.

It is an arithmetic number, because the mean of its divisors is an integer number (508846).

2^2113659 is an apocalyptic number.

2113659 is a deficient number, since it is larger than the sum of its proper divisors (939417).

2113659 is a wasteful number, since it uses less digits than its factorization.

2113659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234857 (or 234854 counting only the distinct ones).

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

The square root of 2113659 is about 1453.8428388241. The cubic root of 2113659 is about 128.3349584697.

It can be divided in two parts, 2113 and 659, that added together give a palindrome (2772).

The spelling of 2113659 in words is "two million, one hundred thirteen thousand, six hundred fifty-nine".