2106725 has 12 divisors (see below), whose sum is σ = 2766564. Its totient is φ = 1585920.

The previous prime is 2106679. The next prime is 2106733. The reversal of 2106725 is 5276012.

It can be written as a sum of positive squares in 6 ways, for example, as 81796 + 2024929 = 286^2 + 1423^2 .

It is not a de Polignac number, because 2106725 - 2¹² = 2102629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2106725.

It is a congruent number.

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, 2054 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (230547).

2^2106725 is an apocalyptic number.

2106725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2106725 is a deficient number, since it is larger than the sum of its proper divisors (659839).

2106725 is a wasteful number, since it uses less digits than its factorization.

2106725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984 (or 4979 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2106725 is about 1451.4561653732. The cubic root of 2106725 is about 128.1944675836.

The spelling of 2106725 in words is "two million, one hundred six thousand, seven hundred twenty-five".