505615132 has 24 divisors (see below), whose sum is σ = 981630720. Its totient is φ = 225928560.

The previous prime is 505615129. The next prime is 505615169. The reversal of 505615132 is 231516505.

It is a self number, because there is not a number n which added to its sum of digits gives 505615132.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 94788 + ... + 99979.

It is an arithmetic number, because the mean of its divisors is an integer number (40901280).

Almost surely, 2^505615132 is an apocalyptic number.

It is an amenable number.

505615132 is a deficient number, since it is larger than the sum of its proper divisors (476015588).

505615132 is a wasteful number, since it uses less digits than its factorization.

505615132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194841 (or 194839 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 505615132 is about 22485.8873963204. The cubic root of 505615132 is about 796.6606280556.

The spelling of 505615132 in words is "five hundred five million, six hundred fifteen thousand, one hundred thirty-two".