501628125 has 24 divisors (see below), whose sum is σ = 836008992. Its totient is φ = 267530000.

The previous prime is 501628121. The next prime is 501628157. The reversal of 501628125 is 521826105.

It is not a de Polignac number, because 501628125 - 2² = 501628121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501628092 and 501628101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501628121) 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, 17379 + ... + 36128.

It is an arithmetic number, because the mean of its divisors is an integer number (34833708).

Almost surely, 2^501628125 is an apocalyptic number.

It is an amenable number.

501628125 is a deficient number, since it is larger than the sum of its proper divisors (334380867).

501628125 is an frugal number, since it uses more digits than its factorization.

501628125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53535 (or 53515 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 501628125 is about 22397.0561681664. The cubic root of 501628125 is about 794.5610883694.

The spelling of 501628125 in words is "five hundred one million, six hundred twenty-eight thousand, one hundred twenty-five".