904425217 has 8 divisors (see below), whose sum is σ = 935193600. Its totient is φ = 873756480.

The previous prime is 904425169. The next prime is 904425229. The reversal of 904425217 is 712524409.

904425217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-904425217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904425257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6217 + ... + 42982.

It is an arithmetic number, because the mean of its divisors is an integer number (116899200).

Almost surely, 2^904425217 is an apocalyptic number.

It is an amenable number.

904425217 is a deficient number, since it is larger than the sum of its proper divisors (30768383).

904425217 is a wasteful number, since it uses less digits than its factorization.

904425217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49823.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 904425217 is about 30073.6631789345. The cubic root of 904425217 is about 967.0692055714.

It can be divided in two parts, 90442 and 5217, that added together give a palindrome (95659).

The spelling of 904425217 in words is "nine hundred four million, four hundred twenty-five thousand, two hundred seventeen".