30503005 has 16 divisors (see below), whose sum is σ = 39674880. Its totient is φ = 22379328.

The previous prime is 30502973. The next prime is 30503009. The reversal of 30503005 is 50030503.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30503005 - 2⁵ = 30502973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30503005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30503009) 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 15 ways as a sum of consecutive naturals, for example, 9156 + ... + 12034.

It is an arithmetic number, because the mean of its divisors is an integer number (2479680).

Almost surely, 2^30503005 is an apocalyptic number.

It is an amenable number.

30503005 is a deficient number, since it is larger than the sum of its proper divisors (9171875).

30503005 is a wasteful number, since it uses less digits than its factorization.

30503005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its (nonzero) digits is 225, while the sum is 16.

The square root of 30503005 is about 5522.9525618097. The cubic root of 30503005 is about 312.4502491466.

Adding to 30503005 its reverse (50030503), we get a palindrome (80533508).

The spelling of 30503005 in words is "thirty million, five hundred three thousand, five".