30000252 has 24 divisors (see below), whose sum is σ = 70108416. Its totient is φ = 9984688.

The previous prime is 30000251. The next prime is 30000277. The reversal of 30000252 is 25200003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000251) 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, 8413 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (2921184).

Almost surely, 2^30000252 is an apocalyptic number.

It is an amenable number.

30000252 is an abundant number, since it is smaller than the sum of its proper divisors (40108164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30000252 is a wasteful number, since it uses less digits than its factorization.

30000252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857 (or 3855 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 30000252 is about 5477.2485793508. The cubic root of 30000252 is about 310.7241206181.

Adding to 30000252 its reverse (25200003), we get a palindrome (55200255).

The spelling of 30000252 in words is "thirty million, two hundred fifty-two", and thus it is an aban number.