25716827 has 2 divisors, whose sum is σ = 25716828. Its totient is φ = 25716826.

The previous prime is 25716797. The next prime is 25716841. The reversal of 25716827 is 72861752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25716827 - 2¹⁰ = 25715803 is a prime.

It is a super-2 number, since 2×25716827² = 1322710381895858, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25716857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12858413 + 12858414.

It is an arithmetic number, because the mean of its divisors is an integer number (12858414).

Almost surely, 2^25716827 is an apocalyptic number.

25716827 is a deficient number, since it is larger than the sum of its proper divisors (1).

25716827 is an equidigital number, since it uses as much as digits as its factorization.

25716827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 25716827 is about 5071.1760963311. The cubic root of 25716827 is about 295.1701670718.

The spelling of 25716827 in words is "twenty-five million, seven hundred sixteen thousand, eight hundred twenty-seven".