30525042 has 16 divisors (see below), whose sum is σ = 61737120. Its totient is φ = 10060512.

The previous prime is 30525041. The next prime is 30525059. The reversal of 30525042 is 24052503.

It is not an unprimeable number, because it can be changed into a prime (30525041) 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, 28048 + ... + 29115.

It is an arithmetic number, because the mean of its divisors is an integer number (3858570).

Almost surely, 2^30525042 is an apocalyptic number.

30525042 is an abundant number, since it is smaller than the sum of its proper divisors (31212078).

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

30525042 is a wasteful number, since it uses less digits than its factorization.

30525042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57257.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30525042 is about 5524.9472395671. The cubic root of 30525042 is about 312.5254746166.

Adding to 30525042 its reverse (24052503), we get a palindrome (54577545).

The spelling of 30525042 in words is "thirty million, five hundred twenty-five thousand, forty-two".