25992443 has 2 divisors, whose sum is σ = 25992444. Its totient is φ = 25992442.

The previous prime is 25992433. The next prime is 25992479. The reversal of 25992443 is 34429952.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25992443 - 2⁴ = 25992427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25992397 and 25992406.

It is not a weakly prime, because it can be changed into another prime (25992403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12996221 + 12996222.

It is an arithmetic number, because the mean of its divisors is an integer number (12996222).

Almost surely, 2^25992443 is an apocalyptic number.

25992443 is a deficient number, since it is larger than the sum of its proper divisors (1).

25992443 is an equidigital number, since it uses as much as digits as its factorization.

25992443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 25992443 is about 5098.2784349229. The cubic root of 25992443 is about 296.2209020303.

The spelling of 25992443 in words is "twenty-five million, nine hundred ninety-two thousand, four hundred forty-three".