2775245 has 8 divisors (see below), whose sum is σ = 3633120. Its totient is φ = 2018320.

The previous prime is 2775221. The next prime is 2775247. The reversal of 2775245 is 5425772.

2775245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2775245 - 2⁶ = 2775181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25175 + ... + 25284.

It is an arithmetic number, because the mean of its divisors is an integer number (454140).

2^2775245 is an apocalyptic number.

It is an amenable number.

2775245 is a deficient number, since it is larger than the sum of its proper divisors (857875).

2775245 is a wasteful number, since it uses less digits than its factorization.

2775245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50475.

The product of its digits is 19600, while the sum is 32.

The square root of 2775245 is about 1665.9066600503. The cubic root of 2775245 is about 140.5293733414.

The spelling of 2775245 in words is "two million, seven hundred seventy-five thousand, two hundred forty-five".