25005500263 has 2 divisors, whose sum is σ = 25005500264. Its totient is φ = 25005500262.

The previous prime is 25005500239. The next prime is 25005500279. The reversal of 25005500263 is 36200550052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25005500263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25005500293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502750131 + 12502750132.

It is an arithmetic number, because the mean of its divisors is an integer number (12502750132).

Almost surely, 2^25005500263 is an apocalyptic number.

25005500263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25005500263 is an equidigital number, since it uses as much as digits as its factorization.

25005500263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 25005500263 in words is "twenty-five billion, five million, five hundred thousand, two hundred sixty-three".