2520604609 has 2 divisors, whose sum is σ = 2520604610. Its totient is φ = 2520604608.

The previous prime is 2520604577. The next prime is 2520604621. The reversal of 2520604609 is 9064060252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288594609 + 1232010000 = 35897^2 + 35100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520604609 - 2⁵ = 2520604577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520604679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260302304 + 1260302305.

It is an arithmetic number, because the mean of its divisors is an integer number (1260302305).

Almost surely, 2^2520604609 is an apocalyptic number.

It is an amenable number.

2520604609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520604609 is an equidigital number, since it uses as much as digits as its factorization.

2520604609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2520604609 is about 50205.6232806645. The cubic root of 2520604609 is about 1360.9272455815.

The spelling of 2520604609 in words is "two billion, five hundred twenty million, six hundred four thousand, six hundred nine".