2530305 has 16 divisors (see below), whose sum is σ = 4498560. Its totient is φ = 1349424.

The previous prime is 2530301. The next prime is 2530309. The reversal of 2530305 is 5030352.

It is an interprime number because it is at equal distance from previous prime (2530301) and next prime (2530309).

It is not a de Polignac number, because 2530305 - 2² = 2530301 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 9237 + ... + 9506.

It is an arithmetic number, because the mean of its divisors is an integer number (281160).

2^2530305 is an apocalyptic number.

It is an amenable number.

2530305 is a deficient number, since it is larger than the sum of its proper divisors (1968255).

2530305 is a wasteful number, since it uses less digits than its factorization.

2530305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18757 (or 18751 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 2530305 is about 1590.6932450979. The cubic root of 2530305 is about 136.2670825592.

Adding to 2530305 its reverse (5030352), we get a palindrome (7560657).

The spelling of 2530305 in words is "two million, five hundred thirty thousand, three hundred five".