2520606787 has 2 divisors, whose sum is σ = 2520606788. Its totient is φ = 2520606786.

The previous prime is 2520606721. The next prime is 2520606883. The reversal of 2520606787 is 7876060252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520606787 - 2¹⁵ = 2520574019 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520606887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260303393 + 1260303394.

It is an arithmetic number, because the mean of its divisors is an integer number (1260303394).

Almost surely, 2^2520606787 is an apocalyptic number.

2520606787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520606787 is an equidigital number, since it uses as much as digits as its factorization.

2520606787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 2520606787 is about 50205.6449714571. The cubic root of 2520606787 is about 1360.9276375640.

The spelling of 2520606787 in words is "two billion, five hundred twenty million, six hundred six thousand, seven hundred eighty-seven".