500943983 has 2 divisors, whose sum is σ = 500943984. Its totient is φ = 500943982.

The previous prime is 500943943. The next prime is 500943991. The reversal of 500943983 is 389349005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500943983 - 2¹⁴ = 500927599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 500943983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500943943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250471991 + 250471992.

It is an arithmetic number, because the mean of its divisors is an integer number (250471992).

Almost surely, 2^500943983 is an apocalyptic number.

500943983 is a deficient number, since it is larger than the sum of its proper divisors (1).

500943983 is an equidigital number, since it uses as much as digits as its factorization.

500943983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 500943983 is about 22381.7779231231. Note that the first 3 decimals coincide. The cubic root of 500943983 is about 794.1997051737.

The spelling of 500943983 in words is "five hundred million, nine hundred forty-three thousand, nine hundred eighty-three".