25505339 has 2 divisors, whose sum is σ = 25505340. Its totient is φ = 25505338.

The previous prime is 25505327. The next prime is 25505351. The reversal of 25505339 is 93350552.

It is a balanced prime because it is at equal distance from previous prime (25505327) and next prime (25505351).

It is a cyclic number.

It is not a de Polignac number, because 25505339 - 2⁴ = 25505323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25505369) 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, 12752669 + 12752670.

It is an arithmetic number, because the mean of its divisors is an integer number (12752670).

Almost surely, 2^25505339 is an apocalyptic number.

25505339 is a deficient number, since it is larger than the sum of its proper divisors (1).

25505339 is an equidigital number, since it uses as much as digits as its factorization.

25505339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 32.

The square root of 25505339 is about 5050.2810812865. The cubic root of 25505339 is about 294.3588065283.

The spelling of 25505339 in words is "twenty-five million, five hundred five thousand, three hundred thirty-nine".