25797349 has 2 divisors, whose sum is σ = 25797350. Its totient is φ = 25797348.

The previous prime is 25797341. The next prime is 25797367. The reversal of 25797349 is 94379752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25502500 + 294849 = 5050^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 25797349 - 2³ = 25797341 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25797299 and 25797308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25797341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12898674 + 12898675.

It is an arithmetic number, because the mean of its divisors is an integer number (12898675).

Almost surely, 2^25797349 is an apocalyptic number.

It is an amenable number.

25797349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25797349 is an equidigital number, since it uses as much as digits as its factorization.

25797349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 46.

The square root of 25797349 is about 5079.1090754186. The cubic root of 25797349 is about 295.4779153657.

The spelling of 25797349 in words is "twenty-five million, seven hundred ninety-seven thousand, three hundred forty-nine".