305663252 has 6 divisors (see below), whose sum is σ = 534910698. Its totient is φ = 152831624.

The previous prime is 305663249. The next prime is 305663257. The reversal of 305663252 is 252366503.

305663252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 206381956 + 99281296 = 14366^2 + 9964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305663257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38207903 + ... + 38207910.

It is an arithmetic number, because the mean of its divisors is an integer number (89151783).

Almost surely, 2^305663252 is an apocalyptic number.

It is an amenable number.

305663252 is a deficient number, since it is larger than the sum of its proper divisors (229247446).

305663252 is a wasteful number, since it uses less digits than its factorization.

305663252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76415817 (or 76415815 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 305663252 is about 17483.2277340313. The cubic root of 305663252 is about 673.6191263566.

The spelling of 305663252 in words is "three hundred five million, six hundred sixty-three thousand, two hundred fifty-two".