2580209497 has 2 divisors, whose sum is σ = 2580209498. Its totient is φ = 2580209496.

The previous prime is 2580209477. The next prime is 2580209503. The reversal of 2580209497 is 7949020852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2180049481 + 400160016 = 46691^2 + 20004^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580209497 - 2⁷ = 2580209369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2580209407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290104748 + 1290104749.

It is an arithmetic number, because the mean of its divisors is an integer number (1290104749).

Almost surely, 2^2580209497 is an apocalyptic number.

It is an amenable number.

2580209497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580209497 is an equidigital number, since it uses as much as digits as its factorization.

2580209497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 2580209497 is about 50795.7625890192. The cubic root of 2580209497 is about 1371.5710920994.

The spelling of 2580209497 in words is "two billion, five hundred eighty million, two hundred nine thousand, four hundred ninety-seven".