9925147 has 2 divisors, whose sum is σ = 9925148. Its totient is φ = 9925146.

The previous prime is 9925133. The next prime is 9925159. The reversal of 9925147 is 7415299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9925147 - 2²³ = 1536539 is a prime.

It is not a weakly prime, because it can be changed into another prime (9925117) 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, 4962573 + 4962574.

It is an arithmetic number, because the mean of its divisors is an integer number (4962574).

Almost surely, 2^9925147 is an apocalyptic number.

9925147 is a deficient number, since it is larger than the sum of its proper divisors (1).

9925147 is an equidigital number, since it uses as much as digits as its factorization.

9925147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 9925147 is about 3150.4201307127. The cubic root of 9925147 is about 214.9045691496.

The spelling of 9925147 in words is "nine million, nine hundred twenty-five thousand, one hundred forty-seven".