2025861 has 8 divisors (see below), whose sum is σ = 2774304. Its totient is φ = 1314000.

The previous prime is 2025833. The next prime is 2025869. The reversal of 2025861 is 1685202.

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

It is not a de Polignac number, because 2025861 - 2⁷ = 2025733 is a prime.

It is a super-2 number, since 2×2025861² = 8208225582642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025869) 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, 9015 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (346788).

2^2025861 is an apocalyptic number.

It is an amenable number.

2025861 is a deficient number, since it is larger than the sum of its proper divisors (748443).

2025861 is a wasteful number, since it uses less digits than its factorization.

2025861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18291.

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

The square root of 2025861 is about 1423.3274394882. The cubic root of 2025861 is about 126.5328280083.

The spelling of 2025861 in words is "two million, twenty-five thousand, eight hundred sixty-one".