2025999 has 8 divisors (see below), whose sum is σ = 3001520. Its totient is φ = 1350648.

The previous prime is 2025979. The next prime is 2026021. The reversal of 2025999 is 9995202.

It is not a de Polignac number, because 2025999 - 2⁹ = 2025487 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 (2025929) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 37492 + ... + 37545.

It is an arithmetic number, because the mean of its divisors is an integer number (375190).

2^2025999 is an apocalyptic number.

2025999 is a deficient number, since it is larger than the sum of its proper divisors (975521).

2025999 is an equidigital number, since it uses as much as digits as its factorization.

2025999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75046 (or 75040 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 2025999 is about 1423.3759166151. The cubic root of 2025999 is about 126.5357010474.

The spelling of 2025999 in words is "two million, twenty-five thousand, nine hundred ninety-nine".