2775105 has 24 divisors (see below), whose sum is σ = 4874688. Its totient is φ = 1460256.

The previous prime is 2775103. The next prime is 2775107. The reversal of 2775105 is 5015772.

It is an interprime number because it is at equal distance from previous prime (2775103) and next prime (2775107).

It is not a de Polignac number, because 2775105 - 2¹ = 2775103 is a prime.

It is a super-2 number, since 2×2775105² = 15402415522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2775103) 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, 3364 + ... + 4106.

It is an arithmetic number, because the mean of its divisors is an integer number (203112).

2^2775105 is an apocalyptic number.

It is an amenable number.

2775105 is a deficient number, since it is larger than the sum of its proper divisors (2099583).

2775105 is a wasteful number, since it uses less digits than its factorization.

2775105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 2775105 is about 1665.8646403595. The cubic root of 2775105 is about 140.5270102536.

The spelling of 2775105 in words is "two million, seven hundred seventy-five thousand, one hundred five".