2689825 has 12 divisors (see below), whose sum is σ = 3532140. Its totient is φ = 2024960.

The previous prime is 2689807. The next prime is 2689861. The reversal of 2689825 is 5289862.

It can be written as a sum of positive squares in 6 ways, for example, as 55696 + 2634129 = 236^2 + 1623^2 .

It is not a de Polignac number, because 2689825 - 2¹¹ = 2687777 is a prime.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2740 + ... + 3589.

It is an arithmetic number, because the mean of its divisors is an integer number (294345).

2^2689825 is an apocalyptic number.

2689825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2689825 is a deficient number, since it is larger than the sum of its proper divisors (842315).

2689825 is a wasteful number, since it uses less digits than its factorization.

2689825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356 (or 6351 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 2689825 is about 1640.0685961264. The cubic root of 2689825 is about 139.0725256838.

The spelling of 2689825 in words is "two million, six hundred eighty-nine thousand, eight hundred twenty-five".