2563511287 has 2 divisors, whose sum is σ = 2563511288. Its totient is φ = 2563511286.

The previous prime is 2563511281. The next prime is 2563511297. The reversal of 2563511287 is 7821153652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2563511287 - 2¹⁹ = 2562986999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2563511281) 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, 1281755643 + 1281755644.

It is an arithmetic number, because the mean of its divisors is an integer number (1281755644).

Almost surely, 2^2563511287 is an apocalyptic number.

2563511287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563511287 is an equidigital number, since it uses as much as digits as its factorization.

2563511287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 40.

The square root of 2563511287 is about 50631.1296239774. The cubic root of 2563511287 is about 1368.6059108081.

The spelling of 2563511287 in words is "two billion, five hundred sixty-three million, five hundred eleven thousand, two hundred eighty-seven".