2430205 has 4 divisors (see below), whose sum is σ = 2916252. Its totient is φ = 1944160.

The previous prime is 2430173. The next prime is 2430217. The reversal of 2430205 is 5020342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5020342 = 2 ⋅2510171.

It can be written as a sum of positive squares in 2 ways, for example, as 550564 + 1879641 = 742^2 + 1371^2 .

It is not a de Polignac number, because 2430205 - 2⁵ = 2430173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243016 + ... + 243025.

It is an arithmetic number, because the mean of its divisors is an integer number (729063).

2^2430205 is an apocalyptic number.

It is an amenable number.

2430205 is a deficient number, since it is larger than the sum of its proper divisors (486047).

2430205 is an equidigital number, since it uses as much as digits as its factorization.

2430205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486046.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2430205 is about 1558.9114792059. The cubic root of 2430205 is about 134.4459228993.

Adding to 2430205 its reverse (5020342), we get a palindrome (7450547).

The spelling of 2430205 in words is "two million, four hundred thirty thousand, two hundred five".