2782562 has 4 divisors (see below), whose sum is σ = 4173846. Its totient is φ = 1391280.

The previous prime is 2782523. The next prime is 2782567. The reversal of 2782562 is 2652872.

2782562 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 only one way, i.e., 2399401 + 383161 = 1549^2 + 619^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁸ + 7⁷ + 8³ + 2¹⁰ + 5⁹ + 6 + 2¹² .

It is not an unprimeable number, because it can be changed into a prime (2782567) 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 as a sum of consecutive naturals, namely, 695639 + ... + 695642.

2^2782562 is an apocalyptic number.

2782562 is a deficient number, since it is larger than the sum of its proper divisors (1391284).

2782562 is a wasteful number, since it uses less digits than its factorization.

2782562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391283.

The product of its digits is 13440, while the sum is 32.

The square root of 2782562 is about 1668.1013158678. The cubic root of 2782562 is about 140.6527679816.

The spelling of 2782562 in words is "two million, seven hundred eighty-two thousand, five hundred sixty-two".