305340052 has 6 divisors (see below), whose sum is σ = 534345098. Its totient is φ = 152670024.

The previous prime is 305340047. The next prime is 305340053. The reversal of 305340052 is 250043503.

It can be written as a sum of positive squares in only one way, i.e., 162919696 + 142420356 = 12764^2 + 11934^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305340053) 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 as a sum of consecutive naturals, namely, 38167503 + ... + 38167510.

Almost surely, 2^305340052 is an apocalyptic number.

It is an amenable number.

305340052 is a deficient number, since it is larger than the sum of its proper divisors (229005046).

305340052 is a wasteful number, since it uses less digits than its factorization.

305340052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76335017 (or 76335015 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 305340052 is about 17473.9821448919. The cubic root of 305340052 is about 673.3816204519.

Adding to 305340052 its reverse (250043503), we get a palindrome (555383555).

The spelling of 305340052 in words is "three hundred five million, three hundred forty thousand, fifty-two".