2025605 has 12 divisors (see below), whose sum is σ = 2501796. Its totient is φ = 1574400.

The previous prime is 2025593. The next prime is 2025623. The reversal of 2025605 is 5065202.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 470596 + 1555009 = 686^2 + 1247^2 .

It is not a de Polignac number, because 2025605 - 2⁴ = 2025589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8285 + ... + 8525.

It is an arithmetic number, because the mean of its divisors is an integer number (208483).

2^2025605 is an apocalyptic number.

It is an amenable number.

2025605 is a deficient number, since it is larger than the sum of its proper divisors (476191).

2025605 is an equidigital number, since it uses as much as digits as its factorization.

2025605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2025605 is about 1423.2375065322. The cubic root of 2025605 is about 126.5274979669.

The spelling of 2025605 in words is "two million, twenty-five thousand, six hundred five".