2681825 has 6 divisors (see below), whose sum is σ = 3325494. Its totient is φ = 2145440.

The previous prime is 2681807. The next prime is 2681827. The reversal of 2681825 is 5281862.

It can be written as a sum of positive squares in 3 ways, for example, as 5329 + 2676496 = 73^2 + 1636^2 .

It is not a de Polignac number, because 2681825 - 2¹⁰ = 2680801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2681791 and 2681800.

It is not an unprimeable number, because it can be changed into a prime (2681827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53612 + ... + 53661.

It is an arithmetic number, because the mean of its divisors is an integer number (554249).

2^2681825 is an apocalyptic number.

2681825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2681825 is a deficient number, since it is larger than the sum of its proper divisors (643669).

2681825 is a wasteful number, since it uses less digits than its factorization.

2681825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107283 (or 107278 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 2681825 is about 1637.6278576038. The cubic root of 2681825 is about 138.9345136033.

The spelling of 2681825 in words is "two million, six hundred eighty-one thousand, eight hundred twenty-five".