501257125 has 16 divisors (see below), whose sum is σ = 626798016. Its totient is φ = 400218000.

The previous prime is 501257123. The next prime is 501257129. The reversal of 501257125 is 521752105.

It is not a de Polignac number, because 501257125 - 2¹ = 501257123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501257093 and 501257102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501257123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64710 + ... + 72040.

It is an arithmetic number, because the mean of its divisors is an integer number (39174876).

Almost surely, 2^501257125 is an apocalyptic number.

It is an amenable number.

501257125 is a deficient number, since it is larger than the sum of its proper divisors (125540891).

501257125 is an equidigital number, since it uses as much as digits as its factorization.

501257125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893 (or 7883 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 501257125 is about 22388.7722977389. The cubic root of 501257125 is about 794.3651564617.

The spelling of 501257125 in words is "five hundred one million, two hundred fifty-seven thousand, one hundred twenty-five".