974317247 has 2 divisors, whose sum is σ = 974317248. Its totient is φ = 974317246.

The previous prime is 974317231. The next prime is 974317271. The reversal of 974317247 is 742713479.

It is a weak prime.

It is an emirp because it is prime and its reverse (742713479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 974317247 - 2⁴ = 974317231 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 974317198 and 974317207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974317217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487158623 + 487158624.

It is an arithmetic number, because the mean of its divisors is an integer number (487158624).

Almost surely, 2^974317247 is an apocalyptic number.

974317247 is a deficient number, since it is larger than the sum of its proper divisors (1).

974317247 is an equidigital number, since it uses as much as digits as its factorization.

974317247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 44.

The square root of 974317247 is about 31214.0552796332. The cubic root of 974317247 is about 991.3647290673.

The spelling of 974317247 in words is "nine hundred seventy-four million, three hundred seventeen thousand, two hundred forty-seven".