25842675563 has 2 divisors, whose sum is σ = 25842675564. Its totient is φ = 25842675562.

The previous prime is 25842675533. The next prime is 25842675581. The reversal of 25842675563 is 36557624852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25842675563 - 2¹² = 25842671467 is a prime.

It is not a weakly prime, because it can be changed into another prime (25842675533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12921337781 + 12921337782.

It is an arithmetic number, because the mean of its divisors is an integer number (12921337782).

Almost surely, 2^25842675563 is an apocalyptic number.

25842675563 is a deficient number, since it is larger than the sum of its proper divisors (1).

25842675563 is an equidigital number, since it uses as much as digits as its factorization.

25842675563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096000, while the sum is 53.

The spelling of 25842675563 in words is "twenty-five billion, eight hundred forty-two million, six hundred seventy-five thousand, five hundred sixty-three".