30053285 has 8 divisors (see below), whose sum is σ = 36124056. Its totient is φ = 24002560.

The previous prime is 30053281. The next prime is 30053293. The reversal of 30053285 is 58235003.

It can be written as a sum of positive squares in 4 ways, for example, as 3189796 + 26863489 = 1786^2 + 5183^2 .

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

It is not a de Polignac number, because 30053285 - 2² = 30053281 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 (30053281) 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, 1484 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (4515507).

Almost surely, 2^30053285 is an apocalyptic number.

It is an amenable number.

30053285 is a deficient number, since it is larger than the sum of its proper divisors (6070771).

30053285 is an equidigital number, since it uses as much as digits as its factorization.

30053285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10023.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 30053285 is about 5482.0876497918. The cubic root of 30053285 is about 310.9071072117.

Adding to 30053285 its reverse (58235003), we get a palindrome (88288288).

The spelling of 30053285 in words is "thirty million, fifty-three thousand, two hundred eighty-five".