312563467 has 4 divisors (see below), whose sum is σ = 312842920. Its totient is φ = 312284016.

The previous prime is 312563437. The next prime is 312563473. The reversal of 312563467 is 764365213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764365213 = 367 ⋅2082739.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312563467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312563437) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 138042 + ... + 140287.

It is an arithmetic number, because the mean of its divisors is an integer number (78210730).

Almost surely, 2^312563467 is an apocalyptic number.

312563467 is a deficient number, since it is larger than the sum of its proper divisors (279453).

312563467 is a wasteful number, since it uses less digits than its factorization.

312563467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279452.

The product of its digits is 90720, while the sum is 37.

The square root of 312563467 is about 17679.4645563716. The cubic root of 312563467 is about 678.6503412904.

The spelling of 312563467 in words is "three hundred twelve million, five hundred sixty-three thousand, four hundred sixty-seven".