25456339 has 2 divisors, whose sum is σ = 25456340. Its totient is φ = 25456338.

The previous prime is 25456309. The next prime is 25456351. The reversal of 25456339 is 93365452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25456339 - 2⁹ = 25455827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25456298 and 25456307.

It is not a weakly prime, because it can be changed into another prime (25456309) 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, 12728169 + 12728170.

It is an arithmetic number, because the mean of its divisors is an integer number (12728170).

Almost surely, 2^25456339 is an apocalyptic number.

25456339 is a deficient number, since it is larger than the sum of its proper divisors (1).

25456339 is an equidigital number, since it uses as much as digits as its factorization.

25456339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

The square root of 25456339 is about 5045.4275339162. The cubic root of 25456339 is about 294.1701816017.

The spelling of 25456339 in words is "twenty-five million, four hundred fifty-six thousand, three hundred thirty-nine".