506625520 has 40 divisors (see below), whose sum is σ = 1206641520. Its totient is φ = 197706240.

The previous prime is 506625409. The next prime is 506625523. The reversal of 506625520 is 25526605.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506625523) 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 7 ways as a sum of consecutive naturals, for example, 73950 + ... + 80509.

It is an arithmetic number, because the mean of its divisors is an integer number (30166038).

Almost surely, 2^506625520 is an apocalyptic number.

It is an amenable number.

506625520 is an abundant number, since it is smaller than the sum of its proper divisors (700016000).

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

506625520 is a wasteful number, since it uses less digits than its factorization.

506625520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154513 (or 154507 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 506625520 is about 22508.3433419699. The cubic root of 506625520 is about 797.1909396865.

The spelling of 506625520 in words is "five hundred six million, six hundred twenty-five thousand, five hundred twenty".