2025785 has 4 divisors (see below), whose sum is σ = 2430948. Its totient is φ = 1620624.

The previous prime is 2025767. The next prime is 2025791. The reversal of 2025785 is 5875202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5875202 = 2 ⋅2937601.

It can be written as a sum of positive squares in 2 ways, for example, as 495616 + 1530169 = 704^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025785 - 2⁶ = 2025721 is a prime.

It is a d-powerful number, because it can be written as 2 + 0 + 2¹⁶ + 5⁴ + 7⁴ + 8⁴ + 5⁹ .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202574 + ... + 202583.

It is an arithmetic number, because the mean of its divisors is an integer number (607737).

2^2025785 is an apocalyptic number.

It is an amenable number.

2025785 is a deficient number, since it is larger than the sum of its proper divisors (405163).

2025785 is an equidigital number, since it uses as much as digits as its factorization.

2025785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405162.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2025785 is about 1423.3007412350. The cubic root of 2025785 is about 126.5312456991.

The spelling of 2025785 in words is "two million, twenty-five thousand, seven hundred eighty-five".