971583673 has 2 divisors, whose sum is σ = 971583674. Its totient is φ = 971583672.

The previous prime is 971583649. The next prime is 971583707. The reversal of 971583673 is 376385179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 917605264 + 53978409 = 30292^2 + 7347^2 .

It is a cyclic number.

It is not a de Polignac number, because 971583673 - 2¹³ = 971575481 is a prime.

It is not a weakly prime, because it can be changed into another prime (971584673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485791836 + 485791837.

It is an arithmetic number, because the mean of its divisors is an integer number (485791837).

Almost surely, 2^971583673 is an apocalyptic number.

It is an amenable number.

971583673 is a deficient number, since it is larger than the sum of its proper divisors (1).

971583673 is an equidigital number, since it uses as much as digits as its factorization.

971583673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 971583673 is about 31170.2369737543. The cubic root of 971583673 is about 990.4367263371.

The spelling of 971583673 in words is "nine hundred seventy-one million, five hundred eighty-three thousand, six hundred seventy-three".