25888321 has 2 divisors, whose sum is σ = 25888322. Its totient is φ = 25888320.

The previous prime is 25888319. The next prime is 25888337. The reversal of 25888321 is 12388852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20575296 + 5313025 = 4536^2 + 2305^2 .

It is a cyclic number.

It is not a de Polignac number, because 25888321 - 2¹ = 25888319 is a prime.

Together with 25888319, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25888301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12944160 + 12944161.

It is an arithmetic number, because the mean of its divisors is an integer number (12944161).

Almost surely, 2^25888321 is an apocalyptic number.

It is an amenable number.

25888321 is a deficient number, since it is larger than the sum of its proper divisors (1).

25888321 is an equidigital number, since it uses as much as digits as its factorization.

25888321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 37.

The square root of 25888321 is about 5088.0567017281. The cubic root of 25888321 is about 295.8248332059.

The spelling of 25888321 in words is "twenty-five million, eight hundred eighty-eight thousand, three hundred twenty-one".