2478562 has 4 divisors (see below), whose sum is σ = 3717846. Its totient is φ = 1239280.

The previous prime is 2478557. The next prime is 2478587. The reversal of 2478562 is 2658742.

2478562 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, and also an emirpimes, since its reverse is a distinct semiprime: 2658742 = 2 ⋅1329371.

It can be written as a sum of positive squares in only one way, i.e., 2163841 + 314721 = 1471^2 + 561^2 .

It is a super-2 number, since 2×2478562² = 12286539175688, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 4⁵ + 7² + 8 + 5⁹ + 6² + 2¹⁹ .

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 as a sum of consecutive naturals, namely, 619639 + ... + 619642.

2^2478562 is an apocalyptic number.

2478562 is a deficient number, since it is larger than the sum of its proper divisors (1239284).

2478562 is a wasteful number, since it uses less digits than its factorization.

2478562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239283.

The product of its digits is 26880, while the sum is 34.

The square root of 2478562 is about 1574.3449431430. The cubic root of 2478562 is about 135.3318220500.

The spelling of 2478562 in words is "two million, four hundred seventy-eight thousand, five hundred sixty-two".