2775275 has 12 divisors (see below), whose sum is σ = 3553344. Its totient is φ = 2148000.

The previous prime is 2775257. The next prime is 2775277. The reversal of 2775275 is 5725772.

It is not a de Polignac number, because 2775275 - 2¹⁰ = 2774251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2775277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1016 + ... + 2565.

It is an arithmetic number, because the mean of its divisors is an integer number (296112).

2^2775275 is an apocalyptic number.

2775275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2775275 is a deficient number, since it is larger than the sum of its proper divisors (778069).

2775275 is a wasteful number, since it uses less digits than its factorization.

2775275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622 (or 3617 counting only the distinct ones).

The product of its digits is 34300, while the sum is 35.

The square root of 2775275 is about 1665.9156641319. The cubic root of 2775275 is about 140.5298797070.

The spelling of 2775275 in words is "two million, seven hundred seventy-five thousand, two hundred seventy-five".