25300543523 has 2 divisors, whose sum is σ = 25300543524. Its totient is φ = 25300543522.

The previous prime is 25300543511. The next prime is 25300543529. The reversal of 25300543523 is 32534500352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25300543523 - 2⁶ = 25300543459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25300543523.

It is not a weakly prime, because it can be changed into another prime (25300543529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650271761 + 12650271762.

It is an arithmetic number, because the mean of its divisors is an integer number (12650271762).

Almost surely, 2^25300543523 is an apocalyptic number.

25300543523 is a deficient number, since it is larger than the sum of its proper divisors (1).

25300543523 is an equidigital number, since it uses as much as digits as its factorization.

25300543523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 32.

The spelling of 25300543523 in words is "twenty-five billion, three hundred million, five hundred forty-three thousand, five hundred twenty-three".