2563522999 has 2 divisors, whose sum is σ = 2563523000. Its totient is φ = 2563522998.

The previous prime is 2563522993. The next prime is 2563523003. The reversal of 2563522999 is 9992253652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2563522999 - 2¹¹ = 2563520951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2563522993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281761499 + 1281761500.

It is an arithmetic number, because the mean of its divisors is an integer number (1281761500).

Almost surely, 2^2563522999 is an apocalyptic number.

2563522999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563522999 is an equidigital number, since it uses as much as digits as its factorization.

2563522999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 52.

The square root of 2563522999 is about 50631.2452839153. The cubic root of 2563522999 is about 1368.6079950702.

The spelling of 2563522999 in words is "two billion, five hundred sixty-three million, five hundred twenty-two thousand, nine hundred ninety-nine".