538257285 has 32 divisors (see below), whose sum is σ = 963360000. Its totient is φ = 285133248.

The previous prime is 538257283. The next prime is 538257329. The reversal of 538257285 is 582752835.

It is not a de Polignac number, because 538257285 - 2¹ = 538257283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 538257285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538257283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6736 + ... + 33494.

It is an arithmetic number, because the mean of its divisors is an integer number (30105000).

Almost surely, 2^538257285 is an apocalyptic number.

It is an amenable number.

538257285 is a deficient number, since it is larger than the sum of its proper divisors (425102715).

538257285 is a wasteful number, since it uses less digits than its factorization.

538257285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26922 (or 26916 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 538257285 is about 23200.3725185610. The cubic root of 538257285 is about 813.4483304917.

The spelling of 538257285 in words is "five hundred thirty-eight million, two hundred fifty-seven thousand, two hundred eighty-five".