505137424 has 20 divisors (see below), whose sum is σ = 1067677200. Its totient is φ = 229607840.

The previous prime is 505137407. The next prime is 505137427. The reversal of 505137424 is 424731505.

It is not an unprimeable number, because it can be changed into a prime (505137427) 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 in 3 ways as a sum of consecutive naturals, for example, 1434874 + ... + 1435225.

It is an arithmetic number, because the mean of its divisors is an integer number (53383860).

Almost surely, 2^505137424 is an apocalyptic number.

It is an amenable number.

505137424 is an abundant number, since it is smaller than the sum of its proper divisors (562539776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505137424 is a wasteful number, since it uses less digits than its factorization.

505137424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870118 (or 2870112 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 505137424 is about 22475.2624901246. The cubic root of 505137424 is about 796.4096525280.

Adding to 505137424 its reverse (424731505), we get a palindrome (929868929).

The spelling of 505137424 in words is "five hundred five million, one hundred thirty-seven thousand, four hundred twenty-four".