9125217 has 10 divisors (see below), whose sum is σ = 13631618. Its totient is φ = 6083424.

The previous prime is 9125203. The next prime is 9125239. The reversal of 9125217 is 7125219.

9125217 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6170256 + 2954961 = 2484^2 + 1719^2 .

It is not a de Polignac number, because 9125217 - 2⁴ = 9125201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9125317) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 56248 + ... + 56409.

Almost surely, 2^9125217 is an apocalyptic number.

It is an amenable number.

9125217 is a deficient number, since it is larger than the sum of its proper divisors (4506401).

9125217 is a wasteful number, since it uses less digits than its factorization.

9125217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112669 (or 112660 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 9125217 is about 3020.7974112807. The cubic root of 9125217 is about 208.9686162746.

The spelling of 9125217 in words is "nine million, one hundred twenty-five thousand, two hundred seventeen".