9925907 has 2 divisors, whose sum is σ = 9925908. Its totient is φ = 9925906.

The previous prime is 9925891. The next prime is 9925919. The reversal of 9925907 is 7095299.

It is a strong prime.

It is an emirp because it is prime and its reverse (7095299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9925907 - 2⁴ = 9925891 is a prime.

It is not a weakly prime, because it can be changed into another prime (9925957) 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, 4962953 + 4962954.

It is an arithmetic number, because the mean of its divisors is an integer number (4962954).

Almost surely, 2^9925907 is an apocalyptic number.

9925907 is a deficient number, since it is larger than the sum of its proper divisors (1).

9925907 is an equidigital number, since it uses as much as digits as its factorization.

9925907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 9925907 is about 3150.5407472369. The cubic root of 9925907 is about 214.9100543179.

The spelling of 9925907 in words is "nine million, nine hundred twenty-five thousand, nine hundred seven".