2520606887 has 2 divisors, whose sum is σ = 2520606888. Its totient is φ = 2520606886.

The previous prime is 2520606883. The next prime is 2520606889. The reversal of 2520606887 is 7886060252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2520606887 - 2² = 2520606883 is a prime.

Together with 2520606889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520606883) 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 as a sum of consecutive naturals, namely, 1260303443 + 1260303444.

It is an arithmetic number, because the mean of its divisors is an integer number (1260303444).

Almost surely, 2^2520606887 is an apocalyptic number.

2520606887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520606887 is an equidigital number, since it uses as much as digits as its factorization.

2520606887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 2520606887 is about 50205.6459673611. The cubic root of 2520606887 is about 1360.9276555613.

The spelling of 2520606887 in words is "two billion, five hundred twenty million, six hundred six thousand, eight hundred eighty-seven".