2025681 has 8 divisors (see below), whose sum is σ = 3086784. Its totient is φ = 1157520.

The previous prime is 2025671. The next prime is 2025689. The reversal of 2025681 is 1865202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2025681 - 2⁵ = 2025649 is a prime.

It is a super-2 number, since 2×2025681² = 8206767027522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2025689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48210 + ... + 48251.

It is an arithmetic number, because the mean of its divisors is an integer number (385848).

2^2025681 is an apocalyptic number.

2025681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2025681 is a deficient number, since it is larger than the sum of its proper divisors (1061103).

2025681 is an equidigital number, since it uses as much as digits as its factorization.

2025681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96471.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2025681 is about 1423.2642059716. The cubic root of 2025681 is about 126.5290803698.

The spelling of 2025681 in words is "two million, twenty-five thousand, six hundred eighty-one".