504128275 has 12 divisors (see below), whose sum is σ = 714422032. Its totient is φ = 345687840.

The previous prime is 504128267. The next prime is 504128281. The reversal of 504128275 is 572821405.

It is a happy number.

It is not a de Polignac number, because 504128275 - 2³ = 504128267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504128275.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1440192 + ... + 1440541.

Almost surely, 2^504128275 is an apocalyptic number.

504128275 is a deficient number, since it is larger than the sum of its proper divisors (210293757).

504128275 is a wasteful number, since it uses less digits than its factorization.

504128275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880750 (or 2880745 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 504128275 is about 22452.8010502031. The cubic root of 504128275 is about 795.8789508739.

The spelling of 504128275 in words is "five hundred four million, one hundred twenty-eight thousand, two hundred seventy-five".