2155235 has 4 divisors (see below), whose sum is σ = 2586288. Its totient is φ = 1724184.

The previous prime is 2155207. The next prime is 2155253. The reversal of 2155235 is 5325512.

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 2155235 - 2⁶ = 2155171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2155235.

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, 215519 + ... + 215528.

It is an arithmetic number, because the mean of its divisors is an integer number (646572).

2^2155235 is an apocalyptic number.

2155235 is a deficient number, since it is larger than the sum of its proper divisors (431053).

2155235 is an equidigital number, since it uses as much as digits as its factorization.

2155235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431052.

The product of its digits is 1500, while the sum is 23.

The square root of 2155235 is about 1468.0718647260. The cubic root of 2155235 is about 129.1709569624.

The spelling of 2155235 in words is "two million, one hundred fifty-five thousand, two hundred thirty-five".