500005051 has 16 divisors (see below), whose sum is σ = 617367744. Its totient is φ = 394337664.

The previous prime is 500005049. The next prime is 500005057. The reversal of 500005051 is 150500005.

It is not a de Polignac number, because 500005051 - 2¹ = 500005049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500005057) 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 in 15 ways as a sum of consecutive naturals, for example, 20181 + ... + 37513.

It is an arithmetic number, because the mean of its divisors is an integer number (38585484).

Almost surely, 2^500005051 is an apocalyptic number.

500005051 is a deficient number, since it is larger than the sum of its proper divisors (117362693).

500005051 is a wasteful number, since it uses less digits than its factorization.

500005051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 500005051 is about 22360.7927185062. The cubic root of 500005051 is about 793.7031986293.

Adding to 500005051 its reverse (150500005), we get a palindrome (650505056).

The spelling of 500005051 in words is "five hundred million, five thousand, fifty-one".