2780252 has 12 divisors (see below), whose sum is σ = 4909296. Its totient is φ = 1377600.

The previous prime is 2780243. The next prime is 2780273. The reversal of 2780252 is 2520872.

2780252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹⁰ + 7⁷ + 8³ + 0 + 2¹⁰ + 5⁹ + 2¹⁰ .

It is a congruent number.

It is an unprimeable number.

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, 2624 + ... + 3527.

It is an arithmetic number, because the mean of its divisors is an integer number (409108).

2^2780252 is an apocalyptic number.

It is an amenable number.

2780252 is a deficient number, since it is larger than the sum of its proper divisors (2129044).

2780252 is a wasteful number, since it uses less digits than its factorization.

2780252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268 (or 6266 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2780252 is about 1667.4087681190. The cubic root of 2780252 is about 140.6138352947.

The spelling of 2780252 in words is "two million, seven hundred eighty thousand, two hundred fifty-two".