2125685 has 8 divisors (see below), whose sum is σ = 2560896. Its totient is φ = 1693840.

The previous prime is 2125681. The next prime is 2125691. The reversal of 2125685 is 5865212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2125685 - 2² = 2125681 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 (2125681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (320112).

2^2125685 is an apocalyptic number.

It is an amenable number.

2125685 is a deficient number, since it is larger than the sum of its proper divisors (435211).

2125685 is a wasteful number, since it uses less digits than its factorization.

2125685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683.

The product of its digits is 4800, while the sum is 29.

The square root of 2125685 is about 1457.9729078416. The cubic root of 2125685 is about 128.5778923852.

The spelling of 2125685 in words is "two million, one hundred twenty-five thousand, six hundred eighty-five".