501325512 has 64 divisors (see below), whose sum is σ = 1329540480. Its totient is φ = 156982272.

The previous prime is 501325501. The next prime is 501325541. The reversal of 501325512 is 215523105.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335038 + ... + 336530.

It is an arithmetic number, because the mean of its divisors is an integer number (20774070).

Almost surely, 2^501325512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501325512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664770240).

501325512 is an abundant number, since it is smaller than the sum of its proper divisors (828214968).

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

501325512 is a wasteful number, since it uses less digits than its factorization.

501325512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 501325512 is about 22390.2995067060. The cubic root of 501325512 is about 794.4012801574.

Adding to 501325512 its reverse (215523105), we get a palindrome (716848617).

The spelling of 501325512 in words is "five hundred one million, three hundred twenty-five thousand, five hundred twelve".