973530641 has 2 divisors, whose sum is σ = 973530642. Its totient is φ = 973530640.

The previous prime is 973530611. The next prime is 973530661. The reversal of 973530641 is 146035379.

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., 645160000 + 328370641 = 25400^2 + 18121^2 .

It is a cyclic number.

It is not a de Polignac number, because 973530641 - 2⁶ = 973530577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 973530595 and 973530604.

It is not a weakly prime, because it can be changed into another prime (973530611) 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, 486765320 + 486765321.

It is an arithmetic number, because the mean of its divisors is an integer number (486765321).

Almost surely, 2^973530641 is an apocalyptic number.

It is an amenable number.

973530641 is a deficient number, since it is larger than the sum of its proper divisors (1).

973530641 is an equidigital number, since it uses as much as digits as its factorization.

973530641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 973530641 is about 31201.4525463159. The cubic root of 973530641 is about 991.0978675294.

The spelling of 973530641 in words is "nine hundred seventy-three million, five hundred thirty thousand, six hundred forty-one".