2025851 has 4 divisors (see below), whose sum is σ = 2075304. Its totient is φ = 1976400.

The previous prime is 2025833. The next prime is 2025869. The reversal of 2025851 is 1585202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1585202 = 2 ⋅792601.

It is an interprime number because it is at equal distance from previous prime (2025833) and next prime (2025869).

It is a cyclic number.

It is not a de Polignac number, because 2025851 - 2¹⁴ = 2009467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2025251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24665 + ... + 24746.

It is an arithmetic number, because the mean of its divisors is an integer number (518826).

2^2025851 is an apocalyptic number.

2025851 is a deficient number, since it is larger than the sum of its proper divisors (49453).

2025851 is an equidigital number, since it uses as much as digits as its factorization.

2025851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49452.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2025851 is about 1423.3239265887. The cubic root of 2025851 is about 126.5326198120.

The spelling of 2025851 in words is "two million, twenty-five thousand, eight hundred fifty-one".