312275052 has 18 divisors (see below), whose sum is σ = 789362028. Its totient is φ = 104091672.

The previous prime is 312275021. The next prime is 312275053. The reversal of 312275052 is 250572213.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (312275053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4337118 + ... + 4337189.

It is an arithmetic number, because the mean of its divisors is an integer number (43853446).

Almost surely, 2^312275052 is an apocalyptic number.

It is an amenable number.

312275052 is an abundant number, since it is smaller than the sum of its proper divisors (477086976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312275052 is a wasteful number, since it uses less digits than its factorization.

312275052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8674317 (or 8674312 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 312275052 is about 17671.3058940193. The cubic root of 312275052 is about 678.4415376465.

The spelling of 312275052 in words is "three hundred twelve million, two hundred seventy-five thousand, fifty-two".