2025829 has 4 divisors (see below), whose sum is σ = 2181676. Its totient is φ = 1869984.

The previous prime is 2025827. The next prime is 2025833. The reversal of 2025829 is 9285202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9285202 = 2 ⋅4642601.

It can be written as a sum of positive squares in 2 ways, for example, as 330625 + 1695204 = 575^2 + 1302^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025829 - 2¹ = 2025827 is a prime.

It is a Duffinian number.

2025829 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2025797 and 2025806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025827) 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 3 ways as a sum of consecutive naturals, for example, 77904 + ... + 77929.

It is an arithmetic number, because the mean of its divisors is an integer number (545419).

2^2025829 is an apocalyptic number.

It is an amenable number.

2025829 is a deficient number, since it is larger than the sum of its proper divisors (155847).

2025829 is a wasteful number, since it uses less digits than its factorization.

2025829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155846.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2025829 is about 1423.3161981794. The cubic root of 2025829 is about 126.5321617777.

The spelling of 2025829 in words is "two million, twenty-five thousand, eight hundred twenty-nine".