25984349 has 2 divisors, whose sum is σ = 25984350. Its totient is φ = 25984348.

The previous prime is 25984339. The next prime is 25984369. The reversal of 25984349 is 94348952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 3960100 = 4693^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 25984349 - 2⁴ = 25984333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25984339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12992174 + 12992175.

It is an arithmetic number, because the mean of its divisors is an integer number (12992175).

Almost surely, 2^25984349 is an apocalyptic number.

It is an amenable number.

25984349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25984349 is an equidigital number, since it uses as much as digits as its factorization.

25984349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 25984349 is about 5097.4845757491. The cubic root of 25984349 is about 296.1901512861.

The spelling of 25984349 in words is "twenty-five million, nine hundred eighty-four thousand, three hundred forty-nine".