25023443 has 2 divisors, whose sum is σ = 25023444. Its totient is φ = 25023442.

The previous prime is 25023419. The next prime is 25023469. The reversal of 25023443 is 34432052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25023443 - 2¹² = 25019347 is a prime.

It is not a weakly prime, because it can be changed into another prime (25023403) 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, 12511721 + 12511722.

It is an arithmetic number, because the mean of its divisors is an integer number (12511722).

Almost surely, 2^25023443 is an apocalyptic number.

25023443 is a deficient number, since it is larger than the sum of its proper divisors (1).

25023443 is an equidigital number, since it uses as much as digits as its factorization.

25023443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 25023443 is about 5002.3437506833. The cubic root of 25023443 is about 292.4931422650.

Adding to 25023443 its reverse (34432052), we get a palindrome (59455495).

The spelling of 25023443 in words is "twenty-five million, twenty-three thousand, four hundred forty-three".