501305125 has 16 divisors (see below), whose sum is σ = 652833792. Its totient is φ = 383605200.

The previous prime is 501305113. The next prime is 501305131. The reversal of 501305125 is 521503105.

It is not a de Polignac number, because 501305125 - 2⁵ = 501305093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501305096 and 501305105.

It is a congruent number.

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, 84309 + ... + 90058.

It is an arithmetic number, because the mean of its divisors is an integer number (40802112).

Almost surely, 2^501305125 is an apocalyptic number.

It is an amenable number.

501305125 is a deficient number, since it is larger than the sum of its proper divisors (151528667).

501305125 is a wasteful number, since it uses less digits than its factorization.

501305125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174405 (or 174395 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 501305125 is about 22389.8442379575. The cubic root of 501305125 is about 794.3905115862.

It can be divided in two parts, 50130 and 5125, that added together give a palindrome (55255).

The spelling of 501305125 in words is "five hundred one million, three hundred five thousand, one hundred twenty-five".