25842697 has 2 divisors, whose sum is σ = 25842698. Its totient is φ = 25842696.

The previous prime is 25842689. The next prime is 25842743. The reversal of 25842697 is 79624852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24890121 + 952576 = 4989^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 25842697 - 2³ = 25842689 is a prime.

It is not a weakly prime, because it can be changed into another prime (25842667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12921348 + 12921349.

It is an arithmetic number, because the mean of its divisors is an integer number (12921349).

Almost surely, 2^25842697 is an apocalyptic number.

It is an amenable number.

25842697 is a deficient number, since it is larger than the sum of its proper divisors (1).

25842697 is an equidigital number, since it uses as much as digits as its factorization.

25842697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 25842697 is about 5083.5712840483. The cubic root of 25842697 is about 295.6509497965.

The spelling of 25842697 in words is "twenty-five million, eight hundred forty-two thousand, six hundred ninety-seven".