974967547 has 2 divisors, whose sum is σ = 974967548. Its totient is φ = 974967546.

The previous prime is 974967529. The next prime is 974967557. The reversal of 974967547 is 745769479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 974967547 - 2¹⁹ = 974443259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 974967491 and 974967500.

It is not a weakly prime, because it can be changed into another prime (974967557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487483773 + 487483774.

It is an arithmetic number, because the mean of its divisors is an integer number (487483774).

Almost surely, 2^974967547 is an apocalyptic number.

974967547 is a deficient number, since it is larger than the sum of its proper divisors (1).

974967547 is an equidigital number, since it uses as much as digits as its factorization.

974967547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13335840, while the sum is 58.

The square root of 974967547 is about 31224.4703237701. The cubic root of 974967547 is about 991.5852394156.

The spelling of 974967547 in words is "nine hundred seventy-four million, nine hundred sixty-seven thousand, five hundred forty-seven".