2133775 has 24 divisors (see below), whose sum is σ = 3080160. Its totient is φ = 1436160.

The previous prime is 2133773. The next prime is 2133793. The reversal of 2133775 is 5773312.

It is not a de Polignac number, because 2133775 - 2¹ = 2133773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15507 + ... + 15643.

It is an arithmetic number, because the mean of its divisors is an integer number (128340).

2^2133775 is an apocalyptic number.

2133775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2133775 is a deficient number, since it is larger than the sum of its proper divisors (946385).

2133775 is a wasteful number, since it uses less digits than its factorization.

2133775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 238 counting only the distinct ones).

The product of its digits is 4410, while the sum is 28.

The square root of 2133775 is about 1460.7446731034. The cubic root of 2133775 is about 128.7408011777.

It can be divided in two parts, 21337 and 75, that added together give a palindrome (21412).

The spelling of 2133775 in words is "two million, one hundred thirty-three thousand, seven hundred seventy-five".