25352768263 has 2 divisors, whose sum is σ = 25352768264. Its totient is φ = 25352768262.

The previous prime is 25352768257. The next prime is 25352768291. The reversal of 25352768263 is 36286725352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25352768263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25352762263) 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, 12676384131 + 12676384132.

It is an arithmetic number, because the mean of its divisors is an integer number (12676384132).

Almost surely, 2^25352768263 is an apocalyptic number.

25352768263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25352768263 is an equidigital number, since it uses as much as digits as its factorization.

25352768263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 49.

The spelling of 25352768263 in words is "twenty-five billion, three hundred fifty-two million, seven hundred sixty-eight thousand, two hundred sixty-three".