25382443 has 2 divisors, whose sum is σ = 25382444. Its totient is φ = 25382442.

The previous prime is 25382437. The next prime is 25382447. The reversal of 25382443 is 34428352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25382443 is a prime.

It is not a weakly prime, because it can be changed into another prime (25382447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12691221 + 12691222.

It is an arithmetic number, because the mean of its divisors is an integer number (12691222).

Almost surely, 2^25382443 is an apocalyptic number.

25382443 is a deficient number, since it is larger than the sum of its proper divisors (1).

25382443 is an equidigital number, since it uses as much as digits as its factorization.

25382443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 31.

The square root of 25382443 is about 5038.0991455111. The cubic root of 25382443 is about 293.8852615039.

The spelling of 25382443 in words is "twenty-five million, three hundred eighty-two thousand, four hundred forty-three".