947313481 has 8 divisors (see below), whose sum is σ = 962236800. Its totient is φ = 932442912.

The previous prime is 947313473. The next prime is 947313511. The reversal of 947313481 is 184313749.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 947313481 - 2³ = 947313473 is a prime.

It is a super-2 number, since 2×947313481² = 1794805662568674722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947313421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23820 + ... + 49618.

It is an arithmetic number, because the mean of its divisors is an integer number (120279600).

Almost surely, 2^947313481 is an apocalyptic number.

It is an amenable number.

947313481 is a deficient number, since it is larger than the sum of its proper divisors (14923319).

947313481 is a wasteful number, since it uses less digits than its factorization.

947313481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26375.

The product of its digits is 72576, while the sum is 40.

The square root of 947313481 is about 30778.4580672912. The cubic root of 947313481 is about 982.1200393741.

The spelling of 947313481 in words is "nine hundred forty-seven million, three hundred thirteen thousand, four hundred eighty-one".