2520606505 has 8 divisors (see below), whose sum is σ = 3025137600. Its totient is φ = 2016212016.

The previous prime is 2520606493. The next prime is 2520606509. The reversal of 2520606505 is 5056060252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2520606505 - 2⁷ = 2520606377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520606509) 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 in 7 ways as a sum of consecutive naturals, for example, 12156 + ... + 72034.

It is an arithmetic number, because the mean of its divisors is an integer number (378142200).

Almost surely, 2^2520606505 is an apocalyptic number.

It is an amenable number.

2520606505 is a deficient number, since it is larger than the sum of its proper divisors (504531095).

2520606505 is an equidigital number, since it uses as much as digits as its factorization.

2520606505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68303.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2520606505 is about 50205.6421630079. The cubic root of 2520606505 is about 1360.9275868114.

Adding to 2520606505 its reverse (5056060252), we get a palindrome (7576666757).

The spelling of 2520606505 in words is "two billion, five hundred twenty million, six hundred six thousand, five hundred five".