25949713 has 2 divisors, whose sum is σ = 25949714. Its totient is φ = 25949712.

The previous prime is 25949699. The next prime is 25949723. The reversal of 25949713 is 31794952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21836929 + 4112784 = 4673^2 + 2028^2 .

It is a cyclic number.

It is not a de Polignac number, because 25949713 - 2¹⁷ = 25818641 is a prime.

It is not a weakly prime, because it can be changed into another prime (25949723) 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, 12974856 + 12974857.

It is an arithmetic number, because the mean of its divisors is an integer number (12974857).

Almost surely, 2^25949713 is an apocalyptic number.

It is an amenable number.

25949713 is a deficient number, since it is larger than the sum of its proper divisors (1).

25949713 is an equidigital number, since it uses as much as digits as its factorization.

25949713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 25949713 is about 5094.0860809374. The cubic root of 25949713 is about 296.0584899329.

It can be divided in two parts, 25949 and 713, that added together give a palindrome (26662).

The spelling of 25949713 in words is "twenty-five million, nine hundred forty-nine thousand, seven hundred thirteen".