501545325 has 24 divisors (see below), whose sum is σ = 839728000. Its totient is φ = 264101760.

The previous prime is 501545309. The next prime is 501545327. The reversal of 501545325 is 523545105.

It is a happy number.

It is not a de Polignac number, because 501545325 - 2⁴ = 501545309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501545292 and 501545301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501545327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36400 + ... + 48249.

Almost surely, 2^501545325 is an apocalyptic number.

It is an amenable number.

501545325 is a deficient number, since it is larger than the sum of its proper divisors (338182675).

501545325 is a wasteful number, since it uses less digits than its factorization.

501545325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84741 (or 84736 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 501545325 is about 22395.2076346704. The cubic root of 501545325 is about 794.5173685466.

The spelling of 501545325 in words is "five hundred one million, five hundred forty-five thousand, three hundred twenty-five".