947593313 has 2 divisors, whose sum is σ = 947593314. Its totient is φ = 947593312.

The previous prime is 947593301. The next prime is 947593319. The reversal of 947593313 is 313395749.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 946915984 + 677329 = 30772^2 + 823^2 .

It is an emirp because it is prime and its reverse (313395749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 947593313 - 2²⁴ = 930816097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (947593319) 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 as a sum of consecutive naturals, namely, 473796656 + 473796657.

It is an arithmetic number, because the mean of its divisors is an integer number (473796657).

Almost surely, 2^947593313 is an apocalyptic number.

It is an amenable number.

947593313 is a deficient number, since it is larger than the sum of its proper divisors (1).

947593313 is an equidigital number, since it uses as much as digits as its factorization.

947593313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 44.

The square root of 947593313 is about 30783.0036383716. The cubic root of 947593313 is about 982.2167344188.

The spelling of 947593313 in words is "nine hundred forty-seven million, five hundred ninety-three thousand, three hundred thirteen".