538813285 has 16 divisors (see below), whose sum is σ = 655474032. Its totient is φ = 425152000.

The previous prime is 538813279. The next prime is 538813307. The reversal of 538813285 is 582318835.

It can be written as a sum of positive squares in 8 ways, for example, as 294849 + 538518436 = 543^2 + 23206^2 .

It is not a de Polignac number, because 538813285 - 2²³ = 530424677 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 140007 + ... + 143803.

It is an arithmetic number, because the mean of its divisors is an integer number (40967127).

Almost surely, 2^538813285 is an apocalyptic number.

It is an amenable number.

538813285 is a deficient number, since it is larger than the sum of its proper divisors (116660747).

538813285 is a wasteful number, since it uses less digits than its factorization.

538813285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184.

The product of its digits is 230400, while the sum is 43.

The square root of 538813285 is about 23212.3519919891. The cubic root of 538813285 is about 813.7283215202.

The spelling of 538813285 in words is "five hundred thirty-eight million, eight hundred thirteen thousand, two hundred eighty-five".