2530003309 has 2 divisors, whose sum is σ = 2530003310. Its totient is φ = 2530003308.

The previous prime is 2530003247. The next prime is 2530003313. The reversal of 2530003309 is 9033000352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1971626409 + 558376900 = 44403^2 + 23630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530003309 - 2¹¹ = 2530001261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530003379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265001654 + 1265001655.

It is an arithmetic number, because the mean of its divisors is an integer number (1265001655).

Almost surely, 2^2530003309 is an apocalyptic number.

It is an amenable number.

2530003309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530003309 is an equidigital number, since it uses as much as digits as its factorization.

2530003309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 2530003309 is about 50299.1382530556. The cubic root of 2530003309 is about 1362.6166658679.

The spelling of 2530003309 in words is "two billion, five hundred thirty million, three thousand, three hundred nine".