2530303 has 4 divisors (see below), whose sum is σ = 2539528. Its totient is φ = 2521080.

The previous prime is 2530301. The next prime is 2530309. The reversal of 2530303 is 3030352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2530303 - 2¹ = 2530301 is a prime.

It is a Duffinian number.

2530303 is a modest number, since divided by 303 gives 253 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4188 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (634882).

2^2530303 is an apocalyptic number.

2530303 is a deficient number, since it is larger than the sum of its proper divisors (9225).

2530303 is an equidigital number, since it uses as much as digits as its factorization.

2530303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 2530303 is about 1590.6926164410. The cubic root of 2530303 is about 136.2670466565.

Adding to 2530303 its reverse (3030352), we get a palindrome (5560655).

The spelling of 2530303 in words is "two million, five hundred thirty thousand, three hundred three".