2141725 has 6 divisors (see below), whose sum is σ = 2655770. Its totient is φ = 1713360.

The previous prime is 2141723. The next prime is 2141731. The reversal of 2141725 is 5271412.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 128164 + 2013561 = 358^2 + 1419^2 .

It is not a de Polignac number, because 2141725 - 2¹ = 2141723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2141696 and 2141705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141723) 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, 42810 + ... + 42859.

2^2141725 is an apocalyptic number.

2141725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2141725 is a deficient number, since it is larger than the sum of its proper divisors (514045).

2141725 is an equidigital number, since it uses as much as digits as its factorization.

2141725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85679 (or 85674 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 2141725 is about 1463.4633579287. The cubic root of 2141725 is about 128.9004901314.

The spelling of 2141725 in words is "two million, one hundred forty-one thousand, seven hundred twenty-five".