500545973 has 2 divisors, whose sum is σ = 500545974. Its totient is φ = 500545972.

The previous prime is 500545967. The next prime is 500545993. The reversal of 500545973 is 379545005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285542404 + 215003569 = 16898^2 + 14663^2 .

It is a cyclic number.

It is not a de Polignac number, because 500545973 - 2¹⁸ = 500283829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500545993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250272986 + 250272987.

It is an arithmetic number, because the mean of its divisors is an integer number (250272987).

Almost surely, 2^500545973 is an apocalyptic number.

It is an amenable number.

500545973 is a deficient number, since it is larger than the sum of its proper divisors (1).

500545973 is an equidigital number, since it uses as much as digits as its factorization.

500545973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 500545973 is about 22372.8847715264. The cubic root of 500545973 is about 793.9893136009.

The spelling of 500545973 in words is "five hundred million, five hundred forty-five thousand, nine hundred seventy-three".