4006285321 has 4 divisors (see below), whose sum is σ = 4007290644. Its totient is φ = 4005280000.

The previous prime is 4006285289. The next prime is 4006285343. The reversal of 4006285321 is 1235826004.

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 398601225 + 3607684096 = 19965^2 + 60064^2 .

It is a cyclic number.

It is not a de Polignac number, because 4006285321 - 2⁵ = 4006285289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4006285421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496660 + ... + 504661.

It is an arithmetic number, because the mean of its divisors is an integer number (1001822661).

Almost surely, 2^4006285321 is an apocalyptic number.

It is an amenable number.

4006285321 is a deficient number, since it is larger than the sum of its proper divisors (1005323).

4006285321 is a wasteful number, since it uses less digits than its factorization.

4006285321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005322.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4006285321 is about 63295.2235243703. The cubic root of 4006285321 is about 1588.2320606210.

The spelling of 4006285321 in words is "four billion, six million, two hundred eighty-five thousand, three hundred twenty-one".