318060947 has 2 divisors, whose sum is σ = 318060948. Its totient is φ = 318060946.

The previous prime is 318060923. The next prime is 318060949. The reversal of 318060947 is 749060813.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318060947 is a prime.

Together with 318060949, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 318060947.

It is not a weakly prime, because it can be changed into another prime (318060949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159030473 + 159030474.

It is an arithmetic number, because the mean of its divisors is an integer number (159030474).

Almost surely, 2^318060947 is an apocalyptic number.

318060947 is a deficient number, since it is larger than the sum of its proper divisors (1).

318060947 is an equidigital number, since it uses as much as digits as its factorization.

318060947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 318060947 is about 17834.2632872793. The cubic root of 318060947 is about 682.6060228784.

The spelling of 318060947 in words is "three hundred eighteen million, sixty thousand, nine hundred forty-seven".