500545949 has 2 divisors, whose sum is σ = 500545950. Its totient is φ = 500545948.

The previous prime is 500545897. The next prime is 500545951. The reversal of 500545949 is 949545005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359102500 + 141443449 = 18950^2 + 11893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500545949 is a prime.

Together with 500545951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500545049) 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, 250272974 + 250272975.

It is an arithmetic number, because the mean of its divisors is an integer number (250272975).

Almost surely, 2^500545949 is an apocalyptic number.

It is an amenable number.

500545949 is a deficient number, since it is larger than the sum of its proper divisors (1).

500545949 is an equidigital number, since it uses as much as digits as its factorization.

500545949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 500545949 is about 22372.8842351629. The cubic root of 500545949 is about 793.9893009110.

The spelling of 500545949 in words is "five hundred million, five hundred forty-five thousand, nine hundred forty-nine".