2528647 has 16 divisors (see below), whose sum is σ = 2898432. Its totient is φ = 2185920.

The previous prime is 2528629. The next prime is 2528651. The reversal of 2528647 is 7468252.

2528647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2528647 - 2¹¹ = 2526599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528627) 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 15 ways as a sum of consecutive naturals, for example, 34603 + ... + 34675.

It is an arithmetic number, because the mean of its divisors is an integer number (181152).

2^2528647 is an apocalyptic number.

2528647 is a deficient number, since it is larger than the sum of its proper divisors (369785).

2528647 is a wasteful number, since it uses less digits than its factorization.

2528647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198.

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

The square root of 2528647 is about 1590.1720032751. The cubic root of 2528647 is about 136.2373127372.

The spelling of 2528647 in words is "two million, five hundred twenty-eight thousand, six hundred forty-seven".