305005004 has 6 divisors (see below), whose sum is σ = 533758764. Its totient is φ = 152502500.

The previous prime is 305005003. The next prime is 305005009. The reversal of 305005004 is 400500503.

It is not an unprimeable number, because it can be changed into a prime (305005003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38125622 + ... + 38125629.

It is an arithmetic number, because the mean of its divisors is an integer number (88959794).

Almost surely, 2^305005004 is an apocalyptic number.

It is an amenable number.

305005004 is a deficient number, since it is larger than the sum of its proper divisors (228753760).

305005004 is a wasteful number, since it uses less digits than its factorization.

305005004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76251255 (or 76251253 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 305005004 is about 17464.3924600886. The cubic root of 305005004 is about 673.1352309635.

Adding to 305005004 its reverse (400500503), we get a palindrome (705505507).

The spelling of 305005004 in words is "three hundred five million, five thousand, four".