30505052 has 12 divisors (see below), whose sum is σ = 53425680. Its totient is φ = 15240576.

The previous prime is 30505037. The next prime is 30505081. The reversal of 30505052 is 25050503.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5324 + ... + 9452.

It is an arithmetic number, because the mean of its divisors is an integer number (4452140).

Almost surely, 2^30505052 is an apocalyptic number.

It is an amenable number.

30505052 is a deficient number, since it is larger than the sum of its proper divisors (22920628).

30505052 is a wasteful number, since it uses less digits than its factorization.

30505052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980 (or 5978 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 30505052 is about 5523.1378762439. The cubic root of 30505052 is about 312.4572383089.

Adding to 30505052 its reverse (25050503), we get a palindrome (55555555).

The spelling of 30505052 in words is "thirty million, five hundred five thousand, fifty-two".