2025817 has 4 divisors (see below), whose sum is σ = 2113920. Its totient is φ = 1937716.

The previous prime is 2025791. The next prime is 2025827. The reversal of 2025817 is 7185202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2025817 - 2⁷ = 2025689 is a prime.

It is a Duffinian number.

2025817 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2025791 and 2025800.

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, 44017 + ... + 44062.

It is an arithmetic number, because the mean of its divisors is an integer number (528480).

2^2025817 is an apocalyptic number.

It is an amenable number.

2025817 is a deficient number, since it is larger than the sum of its proper divisors (88103).

2025817 is an equidigital number, since it uses as much as digits as its factorization.

2025817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88102.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2025817 is about 1423.3119826658. The cubic root of 2025817 is about 126.5319119394.

The spelling of 2025817 in words is "two million, twenty-five thousand, eight hundred seventeen".