9025217 has 4 divisors (see below), whose sum is σ = 9040836. Its totient is φ = 9009600.

The previous prime is 9025213. The next prime is 9025231. The reversal of 9025217 is 7125209.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5456896 + 3568321 = 2336^2 + 1889^2 .

It is a cyclic number.

It is not a de Polignac number, because 9025217 - 2² = 9025213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9025213) 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 in 3 ways as a sum of consecutive naturals, for example, 6908 + ... + 8109.

It is an arithmetic number, because the mean of its divisors is an integer number (2260209).

Almost surely, 2^9025217 is an apocalyptic number.

It is an amenable number.

9025217 is a deficient number, since it is larger than the sum of its proper divisors (15619).

9025217 is a wasteful number, since it uses less digits than its factorization.

9025217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15618.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 9025217 is about 3004.1998934825. The cubic root of 9025217 is about 208.2024732692.

The spelling of 9025217 in words is "nine million, twenty-five thousand, two hundred seventeen".