25020054547 has 2 divisors, whose sum is σ = 25020054548. Its totient is φ = 25020054546.

The previous prime is 25020054517. The next prime is 25020054571. The reversal of 25020054547 is 74545002052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25020054547 is a prime.

It is not a weakly prime, because it can be changed into another prime (25020054517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12510027273 + 12510027274.

It is an arithmetic number, because the mean of its divisors is an integer number (12510027274).

Almost surely, 2^25020054547 is an apocalyptic number.

25020054547 is a deficient number, since it is larger than the sum of its proper divisors (1).

25020054547 is an equidigital number, since it uses as much as digits as its factorization.

25020054547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56000, while the sum is 34.

Adding to 25020054547 its reverse (74545002052), we get a palindrome (99565056599).

The spelling of 25020054547 in words is "twenty-five billion, twenty million, fifty-four thousand, five hundred forty-seven".