2783013 has 4 divisors (see below), whose sum is σ = 3710688. Its totient is φ = 1855340.

The previous prime is 2783009. The next prime is 2783017. The reversal of 2783013 is 3103872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2783009) and next prime (2783017).

It is a cyclic number.

It is not a de Polignac number, because 2783013 - 2² = 2783009 is a prime.

It is a super-2 number, since 2×2783013² = 15490322716338, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463833 + ... + 463838.

It is an arithmetic number, because the mean of its divisors is an integer number (927672).

2^2783013 is an apocalyptic number.

It is an amenable number.

2783013 is a deficient number, since it is larger than the sum of its proper divisors (927675).

2783013 is an equidigital number, since it uses as much as digits as its factorization.

2783013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927674.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2783013 is about 1668.2364940260. The cubic root of 2783013 is about 140.6603666109.

Adding to 2783013 its reverse (3103872), we get a palindrome (5886885).

The spelling of 2783013 in words is "two million, seven hundred eighty-three thousand, thirteen".