30005213 has 8 divisors (see below), whose sum is σ = 34804032. Its totient is φ = 25334496.

The previous prime is 30005197. The next prime is 30005231. The reversal of 30005213 is 31250003.

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

It is a cyclic number.

It is not a de Polignac number, because 30005213 - 2⁴ = 30005197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30005243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31520 + ... + 32457.

It is an arithmetic number, because the mean of its divisors is an integer number (4350504).

Almost surely, 2^30005213 is an apocalyptic number.

It is an amenable number.

30005213 is a deficient number, since it is larger than the sum of its proper divisors (4798819).

30005213 is an equidigital number, since it uses as much as digits as its factorization.

30005213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64051.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 30005213 is about 5477.7014339958. The cubic root of 30005213 is about 310.7412473342.

Adding to 30005213 its reverse (31250003), we get a palindrome (61255216).

The spelling of 30005213 in words is "thirty million, five thousand, two hundred thirteen".