2143325 has 6 divisors (see below), whose sum is σ = 2657754. Its totient is φ = 1714640.

The previous prime is 2143319. The next prime is 2143331. The reversal of 2143325 is 5233412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2143319) and next prime (2143331).

It can be written as a sum of positive squares in 3 ways, for example, as 395641 + 1747684 = 629^2 + 1322^2 .

It is not a de Polignac number, because 2143325 - 2⁶ = 2143261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143297 and 2143306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42842 + ... + 42891.

It is an arithmetic number, because the mean of its divisors is an integer number (442959).

2^2143325 is an apocalyptic number.

2143325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2143325 is a deficient number, since it is larger than the sum of its proper divisors (514429).

2143325 is an equidigital number, since it uses as much as digits as its factorization.

2143325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85743 (or 85738 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 2143325 is about 1464.0099043381. The cubic root of 2143325 is about 128.9325810001.

Adding to 2143325 its reverse (5233412), we get a palindrome (7376737).

The spelling of 2143325 in words is "two million, one hundred forty-three thousand, three hundred twenty-five".