2782253 has 4 divisors (see below), whose sum is σ = 2794428. Its totient is φ = 2770080.

The previous prime is 2782217. The next prime is 2782279. The reversal of 2782253 is 3522872.

2782253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 644809 + 2137444 = 803^2 + 1462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2782253 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 7⁷ + 8⁴ + 2⁸ + 2¹⁰ + 5⁹ + 3⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2784253) 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 3 ways as a sum of consecutive naturals, for example, 5738 + ... + 6203.

It is an arithmetic number, because the mean of its divisors is an integer number (698607).

2^2782253 is an apocalyptic number.

It is an amenable number.

2782253 is a deficient number, since it is larger than the sum of its proper divisors (12175).

2782253 is a wasteful number, since it uses less digits than its factorization.

2782253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12174.

The product of its digits is 6720, while the sum is 29.

The square root of 2782253 is about 1668.0086930229. The cubic root of 2782253 is about 140.6475613513.

Subtracting from 2782253 its sum of digits (29), we obtain a square (2782224 = 1668²).

The spelling of 2782253 in words is "two million, seven hundred eighty-two thousand, two hundred fifty-three".