2025651 has 8 divisors (see below), whose sum is σ = 2729104. Its totient is φ = 1336320.

The previous prime is 2025649. The next prime is 2025659. The reversal of 2025651 is 1565202.

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

It is not a de Polignac number, because 2025651 - 2¹ = 2025649 is a prime.

It is a Duffinian number.

2025651 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2025659) 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, 3190 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (341138).

2^2025651 is an apocalyptic number.

2025651 is a deficient number, since it is larger than the sum of its proper divisors (703453).

2025651 is an equidigital number, since it uses as much as digits as its factorization.

2025651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2025651 is about 1423.2536667790. The cubic root of 2025651 is about 126.5284557418.

It can be divided in two parts, 202565 and 1, that added together give a triangular number (202566 = T₆₃₆).

The spelling of 2025651 in words is "two million, twenty-five thousand, six hundred fifty-one".