9925161 has 16 divisors (see below), whose sum is σ = 14214528. Its totient is φ = 6137600.

The previous prime is 9925159. The next prime is 9925171. The reversal of 9925161 is 1615299.

9925161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9925161 - 2¹ = 9925159 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9925171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251 + ... + 4991.

It is an arithmetic number, because the mean of its divisors is an integer number (888408).

Almost surely, 2^9925161 is an apocalyptic number.

It is an amenable number.

9925161 is a deficient number, since it is larger than the sum of its proper divisors (4289367).

9925161 is a wasteful number, since it uses less digits than its factorization.

9925161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832.

The product of its digits is 4860, while the sum is 33.

The square root of 9925161 is about 3150.4223526378. The cubic root of 9925161 is about 214.9046701947.

The spelling of 9925161 in words is "nine million, nine hundred twenty-five thousand, one hundred sixty-one".