2644825 has 12 divisors (see below), whose sum is σ = 3330640. Its totient is φ = 2082960.

The previous prime is 2644823. The next prime is 2644847. The reversal of 2644825 is 5284462.

2644825 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 2644825 - 2¹ = 2644823 is a prime.

2644825 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2644823) 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 11 ways as a sum of consecutive naturals, for example, 886 + ... + 2464.

2^2644825 is an apocalyptic number.

2644825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2644825 is a deficient number, since it is larger than the sum of its proper divisors (685815).

2644825 is a wasteful number, since it uses less digits than its factorization.

2644825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1651 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 2644825 is about 1626.2917942362. The cubic root of 2644825 is about 138.2926123267.

The spelling of 2644825 in words is "two million, six hundred forty-four thousand, eight hundred twenty-five".