312252345 has 24 divisors (see below), whose sum is σ = 573076296. Its totient is φ = 156738048.

The previous prime is 312252337. The next prime is 312252383. The reversal of 312252345 is 543252213.

It is a happy number.

312252345 is a `hidden beast` number, since 312 + 2 + 5 + 2 + 345 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 40793769 + 271458576 = 6387^2 + 16476^2 .

It is not a de Polignac number, because 312252345 - 2³ = 312252337 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203322 + ... + 204851.

It is an arithmetic number, because the mean of its divisors is an integer number (23878179).

Almost surely, 2^312252345 is an apocalyptic number.

It is an amenable number.

312252345 is a deficient number, since it is larger than the sum of its proper divisors (260823951).

312252345 is a wasteful number, since it uses less digits than its factorization.

312252345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408201 (or 408198 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 312252345 is about 17670.6634001104. The cubic root of 312252345 is about 678.4250930140.

The spelling of 312252345 in words is "three hundred twelve million, two hundred fifty-two thousand, three hundred forty-five".