2502998209 has 2 divisors, whose sum is σ = 2502998210. Its totient is φ = 2502998208.

The previous prime is 2502998191. The next prime is 2502998219. The reversal of 2502998209 is 9028992052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1254930625 + 1248067584 = 35425^2 + 35328^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502998209 - 2¹¹ = 2502996161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2502998219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251499104 + 1251499105.

It is an arithmetic number, because the mean of its divisors is an integer number (1251499105).

Almost surely, 2^2502998209 is an apocalyptic number.

It is an amenable number.

2502998209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502998209 is an equidigital number, since it uses as much as digits as its factorization.

2502998209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 2502998209 is about 50029.9731061291. The cubic root of 2502998209 is about 1357.7511509695.

The spelling of 2502998209 in words is "two billion, five hundred two million, nine hundred ninety-eight thousand, two hundred nine".