30525900 has 72 divisors (see below), whose sum is σ = 89317200. Its totient is φ = 8048640.

The previous prime is 30525883. The next prime is 30525907. The reversal of 30525900 is 952503.

It is not an unprimeable number, because it can be changed into a prime (30525907) 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, 28576 + ... + 29624.

Almost surely, 2^30525900 is an apocalyptic number.

30525900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30525900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44658600).

30525900 is an abundant number, since it is smaller than the sum of its proper divisors (58791300).

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

30525900 is a wasteful number, since it uses less digits than its factorization.

30525900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 30525900 is about 5525.0248868218. The cubic root of 30525900 is about 312.5284027518.

The spelling of 30525900 in words is "thirty million, five hundred twenty-five thousand, nine hundred".