512312947 has 2 divisors, whose sum is σ = 512312948. Its totient is φ = 512312946.

The previous prime is 512312923. The next prime is 512312987. The reversal of 512312947 is 749213215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512312947 - 2¹¹ = 512310899 is a prime.

It is not a weakly prime, because it can be changed into another prime (512312987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256156473 + 256156474.

It is an arithmetic number, because the mean of its divisors is an integer number (256156474).

Almost surely, 2^512312947 is an apocalyptic number.

512312947 is a deficient number, since it is larger than the sum of its proper divisors (1).

512312947 is an equidigital number, since it uses as much as digits as its factorization.

512312947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 512312947 is about 22634.3311586625. The cubic root of 512312947 is about 800.1629600319.

The spelling of 512312947 in words is "five hundred twelve million, three hundred twelve thousand, nine hundred forty-seven".