505315124 has 12 divisors (see below), whose sum is σ = 884777124. Its totient is φ = 252521664.

The previous prime is 505315087. The next prime is 505315133. The reversal of 505315124 is 421513505.

It can be written as a sum of positive squares in 2 ways, for example, as 450288400 + 55026724 = 21220^2 + 7418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 505315093 and 505315102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25367 + ... + 40670.

It is an arithmetic number, because the mean of its divisors is an integer number (73731427).

Almost surely, 2^505315124 is an apocalyptic number.

It is an amenable number.

505315124 is a deficient number, since it is larger than the sum of its proper divisors (379462000).

505315124 is a wasteful number, since it uses less digits than its factorization.

505315124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67954 (or 67952 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 505315124 is about 22479.2153777662. The cubic root of 505315124 is about 796.5030300240.

Adding to 505315124 its reverse (421513505), we get a palindrome (926828629).

It can be divided in two parts, 50531 and 5124, that added together give a palindrome (55655).

The spelling of 505315124 in words is "five hundred five million, three hundred fifteen thousand, one hundred twenty-four".