25025443 has 2 divisors, whose sum is σ = 25025444. Its totient is φ = 25025442.

The previous prime is 25025437. The next prime is 25025447. The reversal of 25025443 is 34452052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25025443 is a prime.

It is not a weakly prime, because it can be changed into another prime (25025447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512721 + 12512722.

It is an arithmetic number, because the mean of its divisors is an integer number (12512722).

Almost surely, 2^25025443 is an apocalyptic number.

25025443 is a deficient number, since it is larger than the sum of its proper divisors (1).

25025443 is an equidigital number, since it uses as much as digits as its factorization.

25025443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 25025443 is about 5002.5436529830. The cubic root of 25025443 is about 292.5009345674.

Adding to 25025443 its reverse (34452052), we get a palindrome (59477495).

It can be divided in two parts, 2 and 5025443, that multiplied together give a triangular number (10050886 = T₄₄₈₃).

The spelling of 25025443 in words is "twenty-five million, twenty-five thousand, four hundred forty-three".