973571563 has 2 divisors, whose sum is σ = 973571564. Its totient is φ = 973571562.

The previous prime is 973571539. The next prime is 973571579. The reversal of 973571563 is 365175379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 973571563 - 2⁹ = 973571051 is a prime.

It is not a weakly prime, because it can be changed into another prime (973571663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486785781 + 486785782.

It is an arithmetic number, because the mean of its divisors is an integer number (486785782).

Almost surely, 2^973571563 is an apocalyptic number.

973571563 is a deficient number, since it is larger than the sum of its proper divisors (1).

973571563 is an equidigital number, since it uses as much as digits as its factorization.

973571563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595350, while the sum is 46.

The square root of 973571563 is about 31202.1083101767. The cubic root of 973571563 is about 991.1117541455. Note that the first 3 decimals are identical.

The spelling of 973571563 in words is "nine hundred seventy-three million, five hundred seventy-one thousand, five hundred sixty-three".