30380505 has 8 divisors (see below), whose sum is σ = 48608832. Its totient is φ = 16202928.

The previous prime is 30380503. The next prime is 30380509. The reversal of 30380505 is 50508303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30380505 - 2¹ = 30380503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30380503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012669 + ... + 1012698.

It is an arithmetic number, because the mean of its divisors is an integer number (6076104).

Almost surely, 2^30380505 is an apocalyptic number.

It is an amenable number.

30380505 is a deficient number, since it is larger than the sum of its proper divisors (18228327).

30380505 is a wasteful number, since it uses less digits than its factorization.

30380505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025375.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 30380505 is about 5511.8513223780. The cubic root of 30380505 is about 312.0314214738.

Adding to 30380505 its reverse (50508303), we get a palindrome (80888808).

It can be divided in two parts, 303 and 80505, that added together give a palindrome (80808).

The spelling of 30380505 in words is "thirty million, three hundred eighty thousand, five hundred five".