506641515 has 16 divisors (see below), whose sum is σ = 812774400. Its totient is φ = 269492832.

The previous prime is 506641511. The next prime is 506641543. The reversal of 506641515 is 515146605.

It is not a de Polignac number, because 506641515 - 2² = 506641511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506641511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38875 + ... + 50244.

It is an arithmetic number, because the mean of its divisors is an integer number (50798400).

Almost surely, 2^506641515 is an apocalyptic number.

506641515 is a deficient number, since it is larger than the sum of its proper divisors (306132885).

506641515 is a wasteful number, since it uses less digits than its factorization.

506641515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89506.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 506641515 is about 22508.6986518546. The cubic root of 506641515 is about 797.1993291408.

The spelling of 506641515 in words is "five hundred six million, six hundred forty-one thousand, five hundred fifteen".