25526500463 has 2 divisors, whose sum is σ = 25526500464. Its totient is φ = 25526500462.

The previous prime is 25526500459. The next prime is 25526500487. The reversal of 25526500463 is 36400562552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25526500463 - 2² = 25526500459 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25526500663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12763250231 + 12763250232.

It is an arithmetic number, because the mean of its divisors is an integer number (12763250232).

Almost surely, 2^25526500463 is an apocalyptic number.

25526500463 is a deficient number, since it is larger than the sum of its proper divisors (1).

25526500463 is an equidigital number, since it uses as much as digits as its factorization.

25526500463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 25526500463 in words is "twenty-five billion, five hundred twenty-six million, five hundred thousand, four hundred sixty-three".