30325512 has 96 divisors (see below), whose sum is σ = 89385120. Its totient is φ = 8547840.

The previous prime is 30325507. The next prime is 30325513. The reversal of 30325512 is 21552303.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30325513) 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 23 ways as a sum of consecutive naturals, for example, 125712 + ... + 125952.

It is an arithmetic number, because the mean of its divisors is an integer number (931095).

Almost surely, 2^30325512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30325512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44692560).

30325512 is an abundant number, since it is smaller than the sum of its proper divisors (59059608).

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

30325512 is a wasteful number, since it uses less digits than its factorization.

30325512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30325512 is about 5506.8604485678. The cubic root of 30325512 is about 311.8430341279.

Adding to 30325512 its reverse (21552303), we get a palindrome (51877815).

The spelling of 30325512 in words is "thirty million, three hundred twenty-five thousand, five hundred twelve".