30004321 has 4 divisors (see below), whose sum is σ = 30279700. Its totient is φ = 29728944.

The previous prime is 30004319. The next prime is 30004327. The reversal of 30004321 is 12340003.

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 23040000 + 6964321 = 4800^2 + 2639^2 .

It is a cyclic number.

It is not a de Polignac number, because 30004321 - 2¹ = 30004319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30004327) 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, 137526 + ... + 137743.

It is an arithmetic number, because the mean of its divisors is an integer number (7569925).

Almost surely, 2^30004321 is an apocalyptic number.

It is an amenable number.

30004321 is a deficient number, since it is larger than the sum of its proper divisors (275379).

30004321 is a wasteful number, since it uses less digits than its factorization.

30004321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275378.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30004321 is about 5477.6200123776. The cubic root of 30004321 is about 310.7381680477.

Adding to 30004321 its reverse (12340003), we get a palindrome (42344324).

The spelling of 30004321 in words is "thirty million, four thousand, three hundred twenty-one".