2113535 has 4 divisors (see below), whose sum is σ = 2536248. Its totient is φ = 1690824.

The previous prime is 2113523. The next prime is 2113567. The reversal of 2113535 is 5353112.

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 2113535 - 2⁶ = 2113471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211349 + ... + 211358.

It is an arithmetic number, because the mean of its divisors is an integer number (634062).

2^2113535 is an apocalyptic number.

2113535 is a deficient number, since it is larger than the sum of its proper divisors (422713).

2113535 is an equidigital number, since it uses as much as digits as its factorization.

2113535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422712.

The product of its digits is 450, while the sum is 20.

The square root of 2113535 is about 1453.8001925987. The cubic root of 2113535 is about 128.3324487861.

Adding to 2113535 its reverse (5353112), we get a palindrome (7466647).

The spelling of 2113535 in words is "two million, one hundred thirteen thousand, five hundred thirty-five".