9725827 has 2 divisors, whose sum is σ = 9725828. Its totient is φ = 9725826.

The previous prime is 9725809. The next prime is 9725839. The reversal of 9725827 is 7285279.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9725827 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9725827.

It is not a weakly prime, because it can be changed into another prime (9725327) 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, 4862913 + 4862914.

It is an arithmetic number, because the mean of its divisors is an integer number (4862914).

Almost surely, 2^9725827 is an apocalyptic number.

9725827 is a deficient number, since it is larger than the sum of its proper divisors (1).

9725827 is an equidigital number, since it uses as much as digits as its factorization.

9725827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The square root of 9725827 is about 3118.6258191710. The cubic root of 9725827 is about 213.4562358764.

The spelling of 9725827 in words is "nine million, seven hundred twenty-five thousand, eight hundred twenty-seven".