312906052 has 6 divisors (see below), whose sum is σ = 547585598. Its totient is φ = 156453024.

The previous prime is 312906019. The next prime is 312906059. The reversal of 312906052 is 250609213.

It can be written as a sum of positive squares in only one way, i.e., 281702656 + 31203396 = 16784^2 + 5586^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312906052.

It is not an unprimeable number, because it can be changed into a prime (312906059) 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, 39113253 + ... + 39113260.

Almost surely, 2^312906052 is an apocalyptic number.

It is an amenable number.

312906052 is a deficient number, since it is larger than the sum of its proper divisors (234679546).

312906052 is a wasteful number, since it uses less digits than its factorization.

312906052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78226517 (or 78226515 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 312906052 is about 17689.1506862257. The cubic root of 312906052 is about 678.8981955251.

The spelling of 312906052 in words is "three hundred twelve million, nine hundred six thousand, fifty-two".