25450462559 has 2 divisors, whose sum is σ = 25450462560. Its totient is φ = 25450462558.

The previous prime is 25450462547. The next prime is 25450462577. The reversal of 25450462559 is 95526405452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25450462559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25450461559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725231279 + 12725231280.

It is an arithmetic number, because the mean of its divisors is an integer number (12725231280).

Almost surely, 2^25450462559 is an apocalyptic number.

25450462559 is a deficient number, since it is larger than the sum of its proper divisors (1).

25450462559 is an equidigital number, since it uses as much as digits as its factorization.

25450462559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 25450462559 in words is "twenty-five billion, four hundred fifty million, four hundred sixty-two thousand, five hundred fifty-nine".