2164535 has 4 divisors (see below), whose sum is σ = 2597448. Its totient is φ = 1731624.

The previous prime is 2164529. The next prime is 2164571. The reversal of 2164535 is 5354612.

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 2164535 - 2⁶ = 2164471 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, 216449 + ... + 216458.

It is an arithmetic number, because the mean of its divisors is an integer number (649362).

2^2164535 is an apocalyptic number.

2164535 is a deficient number, since it is larger than the sum of its proper divisors (432913).

2164535 is an equidigital number, since it uses as much as digits as its factorization.

2164535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432912.

The product of its digits is 3600, while the sum is 26.

The square root of 2164535 is about 1471.2358750384. The cubic root of 2164535 is about 129.3564844717.

The spelling of 2164535 in words is "two million, one hundred sixty-four thousand, five hundred thirty-five".