312533252 has 6 divisors (see below), whose sum is σ = 546933198. Its totient is φ = 156266624.

The previous prime is 312533231. The next prime is 312533279. The reversal of 312533252 is 252335213.

It can be written as a sum of positive squares in only one way, i.e., 302203456 + 10329796 = 17384^2 + 3214^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39066653 + ... + 39066660.

It is an arithmetic number, because the mean of its divisors is an integer number (91155533).

Almost surely, 2^312533252 is an apocalyptic number.

It is an amenable number.

312533252 is a deficient number, since it is larger than the sum of its proper divisors (234399946).

312533252 is a wasteful number, since it uses less digits than its factorization.

312533252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78133317 (or 78133315 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 312533252 is about 17678.6100132335. The cubic root of 312533252 is about 678.6284725790.

Adding to 312533252 its reverse (252335213), we get a palindrome (564868465).

The spelling of 312533252 in words is "three hundred twelve million, five hundred thirty-three thousand, two hundred fifty-two".