500042311 has 2 divisors, whose sum is σ = 500042312. Its totient is φ = 500042310.

The previous prime is 500042303. The next prime is 500042341. The reversal of 500042311 is 113240005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 500042311 - 2³ = 500042303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500042341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250021155 + 250021156.

It is an arithmetic number, because the mean of its divisors is an integer number (250021156).

Almost surely, 2^500042311 is an apocalyptic number.

500042311 is a deficient number, since it is larger than the sum of its proper divisors (1).

500042311 is an equidigital number, since it uses as much as digits as its factorization.

500042311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 500042311 is about 22361.6258577054. The cubic root of 500042311 is about 793.7229135279.

Adding to 500042311 its reverse (113240005), we get a palindrome (613282316).

The spelling of 500042311 in words is "five hundred million, forty-two thousand, three hundred eleven".