305255252 has 6 divisors (see below), whose sum is σ = 534196698. Its totient is φ = 152627624.

The previous prime is 305255227. The next prime is 305255261. The reversal of 305255252 is 252552503.

It can be written as a sum of positive squares in only one way, i.e., 241989136 + 63266116 = 15556^2 + 7954^2 .

It is a congruent number.

It is an unprimeable number.

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, 38156903 + ... + 38156910.

It is an arithmetic number, because the mean of its divisors is an integer number (89032783).

Almost surely, 2^305255252 is an apocalyptic number.

It is an amenable number.

305255252 is a deficient number, since it is larger than the sum of its proper divisors (228941446).

305255252 is a wasteful number, since it uses less digits than its factorization.

305255252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76313817 (or 76313815 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 305255252 is about 17471.5555117454. Note that the first 4 decimals coincide. The cubic root of 305255252 is about 673.3192767927.

The spelling of 305255252 in words is "three hundred five million, two hundred fifty-five thousand, two hundred fifty-two".