30025100 has 72 divisors (see below), whose sum is σ = 75828480. Its totient is φ = 10105920.

The previous prime is 30025067. The next prime is 30025103. The reversal of 30025100 is 152003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30025103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40937 + ... + 41663.

Almost surely, 2^30025100 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 30025100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37914240).

30025100 is an abundant number, since it is smaller than the sum of its proper divisors (45803380).

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

30025100 is a wasteful number, since it uses less digits than its factorization.

30025100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 30025100 is about 5479.5164020194. The cubic root of 30025100 is about 310.8098837010.

Adding to 30025100 its reverse (152003), we get a palindrome (30177103).

The spelling of 30025100 in words is "thirty million, twenty-five thousand, one hundred".