25318088028523 has 2 divisors, whose sum is σ = 25318088028524. Its totient is φ = 25318088028522.

The previous prime is 25318088028487. The next prime is 25318088028553. The reversal of 25318088028523 is 32582088081352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25318088028523 - 2⁴¹ = 23119064772971 is a prime.

It is not a weakly prime, because it can be changed into another prime (25318088028553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12659044014261 + 12659044014262.

It is an arithmetic number, because the mean of its divisors is an integer number (12659044014262).

Almost surely, 2^{25318088028523} is an apocalyptic number.

25318088028523 is a deficient number, since it is larger than the sum of its proper divisors (1).

25318088028523 is an equidigital number, since it uses as much as digits as its factorization.

25318088028523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 25318088028523 in words is "twenty-five trillion, three hundred eighteen billion, eighty-eight million, twenty-eight thousand, five hundred twenty-three".