2528671 has 4 divisors (see below), whose sum is σ = 2531872. Its totient is φ = 2525472.

The previous prime is 2528663. The next prime is 2528707. The reversal of 2528671 is 1768252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2528671 - 2³ = 2528663 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 (2528621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (632968).

2^2528671 is an apocalyptic number.

2528671 is a deficient number, since it is larger than the sum of its proper divisors (3201).

2528671 is a wasteful number, since it uses less digits than its factorization.

2528671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its digits is 6720, while the sum is 31.

The square root of 2528671 is about 1590.1795496107. The cubic root of 2528671 is about 136.2377437563.

The spelling of 2528671 in words is "two million, five hundred twenty-eight thousand, six hundred seventy-one".