25253224543 has 2 divisors, whose sum is σ = 25253224544. Its totient is φ = 25253224542.

The previous prime is 25253224499. The next prime is 25253224553. The reversal of 25253224543 is 34542235252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25253224543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25253224553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626612271 + 12626612272.

It is an arithmetic number, because the mean of its divisors is an integer number (12626612272).

Almost surely, 2^25253224543 is an apocalyptic number.

25253224543 is a deficient number, since it is larger than the sum of its proper divisors (1).

25253224543 is an equidigital number, since it uses as much as digits as its factorization.

25253224543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 37.

Adding to 25253224543 its reverse (34542235252), we get a palindrome (59795459795).

The spelling of 25253224543 in words is "twenty-five billion, two hundred fifty-three million, two hundred twenty-four thousand, five hundred forty-three".