2775013 has 4 divisors (see below), whose sum is σ = 2780460. Its totient is φ = 2769568.

The previous prime is 2775011. The next prime is 2775041. The reversal of 2775013 is 3105772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 605284 + 2169729 = 778^2 + 1473^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775013 - 2¹ = 2775011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870 + ... + 3007.

It is an arithmetic number, because the mean of its divisors is an integer number (695115).

2^2775013 is an apocalyptic number.

It is an amenable number.

2775013 is a deficient number, since it is larger than the sum of its proper divisors (5447).

2775013 is an equidigital number, since it uses as much as digits as its factorization.

2775013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 2775013 is about 1665.8370268427. The cubic root of 2775013 is about 140.5254573240.

The spelling of 2775013 in words is "two million, seven hundred seventy-five thousand, thirteen".