25030550563 has 2 divisors, whose sum is σ = 25030550564. Its totient is φ = 25030550562.

The previous prime is 25030550513. The next prime is 25030550591. The reversal of 25030550563 is 36505503052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25030550563 is a prime.

It is a super-2 number, since 2×25030550563² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25030550513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515275281 + 12515275282.

It is an arithmetic number, because the mean of its divisors is an integer number (12515275282).

Almost surely, 2^25030550563 is an apocalyptic number.

25030550563 is a deficient number, since it is larger than the sum of its proper divisors (1).

25030550563 is an equidigital number, since it uses as much as digits as its factorization.

25030550563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 34.

The spelling of 25030550563 in words is "twenty-five billion, thirty million, five hundred fifty thousand, five hundred sixty-three".