2113775 has 6 divisors (see below), whose sum is σ = 2621112. Its totient is φ = 1691000.

The previous prime is 2113759. The next prime is 2113789. The reversal of 2113775 is 5773112.

It is not a de Polignac number, because 2113775 - 2⁴ = 2113759 is a prime.

It is a super-3 number, since 3×2113775³ = 28333323878257078125, which contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 42251 + ... + 42300.

It is an arithmetic number, because the mean of its divisors is an integer number (436852).

2^2113775 is an apocalyptic number.

2113775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2113775 is a deficient number, since it is larger than the sum of its proper divisors (507337).

2113775 is an equidigital number, since it uses as much as digits as its factorization.

2113775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84561 (or 84556 counting only the distinct ones).

The product of its digits is 1470, while the sum is 26.

The square root of 2113775 is about 1453.8827325476. The cubic root of 2113775 is about 128.3373061494.

Adding to 2113775 its reverse (5773112), we get a palindrome (7886887).

It can be divided in two parts, 21137 and 75, that added together give a palindrome (21212).

The spelling of 2113775 in words is "two million, one hundred thirteen thousand, seven hundred seventy-five".