2521630063 has 2 divisors, whose sum is σ = 2521630064. Its totient is φ = 2521630062.

The previous prime is 2521630039. The next prime is 2521630079. The reversal of 2521630063 is 3600361252.

2521630063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2521630063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521630003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260815031 + 1260815032.

It is an arithmetic number, because the mean of its divisors is an integer number (1260815032).

Almost surely, 2^2521630063 is an apocalyptic number.

2521630063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521630063 is an equidigital number, since it uses as much as digits as its factorization.

2521630063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2521630063 is about 50215.8347834625. The cubic root of 2521630063 is about 1361.1117752605. Note that the first 3 decimals are identical.

The spelling of 2521630063 in words is "two billion, five hundred twenty-one million, six hundred thirty thousand, sixty-three".