25013052523 has 2 divisors, whose sum is σ = 25013052524. Its totient is φ = 25013052522.

The previous prime is 25013052439. The next prime is 25013052551. The reversal of 25013052523 is 32525031052.

It is an a-pointer prime, because the next prime (25013052551) can be obtained adding 25013052523 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25013052523 - 2⁹ = 25013052011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25013052491 and 25013052500.

It is not a weakly prime, because it can be changed into another prime (25013452523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506526261 + 12506526262.

It is an arithmetic number, because the mean of its divisors is an integer number (12506526262).

Almost surely, 2^25013052523 is an apocalyptic number.

25013052523 is a deficient number, since it is larger than the sum of its proper divisors (1).

25013052523 is an equidigital number, since it uses as much as digits as its factorization.

25013052523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 25013052523 its reverse (32525031052), we get a palindrome (57538083575).

The spelling of 25013052523 in words is "twenty-five billion, thirteen million, fifty-two thousand, five hundred twenty-three".