2520606553 has 2 divisors, whose sum is σ = 2520606554. Its totient is φ = 2520606552.

The previous prime is 2520606523. The next prime is 2520606581. The reversal of 2520606553 is 3556060252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2505302809 + 15303744 = 50053^2 + 3912^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520606553 - 2¹³ = 2520598361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520606523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260303276 + 1260303277.

It is an arithmetic number, because the mean of its divisors is an integer number (1260303277).

Almost surely, 2^2520606553 is an apocalyptic number.

It is an amenable number.

2520606553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520606553 is an equidigital number, since it uses as much as digits as its factorization.

2520606553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 2520606553 is about 50205.6426410419. The cubic root of 2520606553 is about 1360.9275954502.

The spelling of 2520606553 in words is "two billion, five hundred twenty million, six hundred six thousand, five hundred fifty-three".