500051977 has 2 divisors, whose sum is σ = 500051978. Its totient is φ = 500051976.

The previous prime is 500051939. The next prime is 500052011. The reversal of 500051977 is 779150005.

It is a happy number.

It is an a-pointer prime, because the next prime (500052011) can be obtained adding 500051977 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418979961 + 81072016 = 20469^2 + 9004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500051977 is a prime.

It is equal to p_26358460 and since 500051977 and 26358460 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (500051927) 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, 250025988 + 250025989.

It is an arithmetic number, because the mean of its divisors is an integer number (250025989).

Almost surely, 2^500051977 is an apocalyptic number.

It is an amenable number.

500051977 is a deficient number, since it is larger than the sum of its proper divisors (1).

500051977 is an equidigital number, since it uses as much as digits as its factorization.

500051977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025, while the sum is 34.

The square root of 500051977 is about 22361.8419858472. The cubic root of 500051977 is about 793.7280278126.

The spelling of 500051977 in words is "five hundred million, fifty-one thousand, nine hundred seventy-seven".