305005030 has 32 divisors (see below), whose sum is σ = 601305120. Its totient is φ = 110469120.

The previous prime is 305005013. The next prime is 305005031. The reversal of 305005030 is 30500503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 305004995 and 305005013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305005031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22876 + ... + 33664.

It is an arithmetic number, because the mean of its divisors is an integer number (18790785).

Almost surely, 2^305005030 is an apocalyptic number.

305005030 is a deficient number, since it is larger than the sum of its proper divisors (296300090).

305005030 is a wasteful number, since it uses less digits than its factorization.

305005030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064.

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

The square root of 305005030 is about 17464.3932044603. The cubic root of 305005030 is about 673.1352500906.

Adding to 305005030 its reverse (30500503), we get a palindrome (335505533).

The spelling of 305005030 in words is "three hundred five million, five thousand, thirty".