25025543 has 2 divisors, whose sum is σ = 25025544. Its totient is φ = 25025542.

The previous prime is 25025509. The next prime is 25025549. The reversal of 25025543 is 34552052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25025543 - 2²⁴ = 8248327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25025549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512771 + 12512772.

It is an arithmetic number, because the mean of its divisors is an integer number (12512772).

Almost surely, 2^25025543 is an apocalyptic number.

25025543 is a deficient number, since it is larger than the sum of its proper divisors (1).

25025543 is an equidigital number, since it uses as much as digits as its factorization.

25025543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 25025543 is about 5002.5536478882. The cubic root of 25025543 is about 292.5013241716.

Adding to 25025543 its reverse (34552052), we get a palindrome (59577595).

The spelling of 25025543 in words is "twenty-five million, twenty-five thousand, five hundred forty-three".