4285217321 has 16 divisors (see below), whose sum is σ = 5443417728. Its totient is φ = 3276124800.

The previous prime is 4285217281. The next prime is 4285217347. The reversal of 4285217321 is 1237125824.

It is a cyclic number.

It is not a de Polignac number, because 4285217321 - 2⁶ = 4285217257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4285217381) 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, 520940 + ... + 529101.

It is an arithmetic number, because the mean of its divisors is an integer number (340213608).

Almost surely, 2^4285217321 is an apocalyptic number.

It is an amenable number.

4285217321 is a deficient number, since it is larger than the sum of its proper divisors (1158200407).

4285217321 is a wasteful number, since it uses less digits than its factorization.

4285217321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050112.

The product of its digits is 26880, while the sum is 35.

The square root of 4285217321 is about 65461.5713300559. The cubic root of 4285217321 is about 1624.2677342616.

The spelling of 4285217321 in words is "four billion, two hundred eighty-five million, two hundred seventeen thousand, three hundred twenty-one".