25343250523 has 2 divisors, whose sum is σ = 25343250524. Its totient is φ = 25343250522.

The previous prime is 25343250469. The next prime is 25343250533. The reversal of 25343250523 is 32505234352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25343250523 is a prime.

It is not a weakly prime, because it can be changed into another prime (25343250533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12671625261 + 12671625262.

It is an arithmetic number, because the mean of its divisors is an integer number (12671625262).

Almost surely, 2^25343250523 is an apocalyptic number.

25343250523 is a deficient number, since it is larger than the sum of its proper divisors (1).

25343250523 is an equidigital number, since it uses as much as digits as its factorization.

25343250523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 25343250523 its reverse (32505234352), we get a palindrome (57848484875).

The spelling of 25343250523 in words is "twenty-five billion, three hundred forty-three million, two hundred fifty thousand, five hundred twenty-three".