25383643 has 2 divisors, whose sum is σ = 25383644. Its totient is φ = 25383642.

The previous prime is 25383607. The next prime is 25383649. The reversal of 25383643 is 34638352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25383643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25383599 and 25383608.

It is not a weakly prime, because it can be changed into another prime (25383649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12691821 + 12691822.

It is an arithmetic number, because the mean of its divisors is an integer number (12691822).

Almost surely, 2^25383643 is an apocalyptic number.

25383643 is a deficient number, since it is larger than the sum of its proper divisors (1).

25383643 is an equidigital number, since it uses as much as digits as its factorization.

25383643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

The square root of 25383643 is about 5038.2182366388. The cubic root of 25383643 is about 293.8898927465.

The spelling of 25383643 in words is "twenty-five million, three hundred eighty-three thousand, six hundred forty-three".