30052813 has 8 divisors (see below), whose sum is σ = 36153920. Its totient is φ = 24403680.

The previous prime is 30052811. The next prime is 30052817. The reversal of 30052813 is 31825003.

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

It is not a de Polignac number, because 30052813 - 2¹ = 30052811 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 (30052811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112848 + ... + 113113.

It is an arithmetic number, because the mean of its divisors is an integer number (4519240).

Almost surely, 2^30052813 is an apocalyptic number.

It is an amenable number.

30052813 is a deficient number, since it is larger than the sum of its proper divisors (6101107).

30052813 is a wasteful number, since it uses less digits than its factorization.

30052813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225987.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 30052813 is about 5482.0446003293. The cubic root of 30052813 is about 310.9054795591.

Adding to 30052813 its reverse (31825003), we get a palindrome (61877816).

The spelling of 30052813 in words is "thirty million, fifty-two thousand, eight hundred thirteen".