2040925 has 6 divisors (see below), whose sum is σ = 2530778. Its totient is φ = 1632720.

The previous prime is 2040919. The next prime is 2040943. The reversal of 2040925 is 5290402.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 248004 + 1792921 = 498^2 + 1339^2 .

It is not a de Polignac number, because 2040925 - 2³ = 2040917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040896 and 2040905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40794 + ... + 40843.

2^2040925 is an apocalyptic number.

2040925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2040925 is a deficient number, since it is larger than the sum of its proper divisors (489853).

2040925 is an equidigital number, since it uses as much as digits as its factorization.

2040925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81647 (or 81642 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2040925 is about 1428.6094637794. The cubic root of 2040925 is about 126.8456802513.

The spelling of 2040925 in words is "two million, forty thousand, nine hundred twenty-five".