25112443 has 2 divisors, whose sum is σ = 25112444. Its totient is φ = 25112442.

The previous prime is 25112431. The next prime is 25112491. The reversal of 25112443 is 34421152.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25112443 is a prime.

It is not a weakly prime, because it can be changed into another prime (25112413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12556221 + 12556222.

It is an arithmetic number, because the mean of its divisors is an integer number (12556222).

Almost surely, 2^25112443 is an apocalyptic number.

25112443 is a deficient number, since it is larger than the sum of its proper divisors (1).

25112443 is an equidigital number, since it uses as much as digits as its factorization.

25112443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 22.

The square root of 25112443 is about 5011.2316849254. The cubic root of 25112443 is about 292.8394986565.

Adding to 25112443 its reverse (34421152), we get a palindrome (59533595).

The spelling of 25112443 in words is "twenty-five million, one hundred twelve thousand, four hundred forty-three".