538812585 has 24 divisors (see below), whose sum is σ = 935064000. Its totient is φ = 287021472.

The previous prime is 538812541. The next prime is 538812587. The reversal of 538812585 is 585218835.

538812585 is a `hidden beast` number, since 53 + 8 + 8 + 12 + 585 = 666.

It is not a de Polignac number, because 538812585 - 2¹³ = 538804393 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 538812585.

It is not an unprimeable number, because it can be changed into a prime (538812587) 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 23 ways as a sum of consecutive naturals, for example, 33166 + ... + 46664.

It is an arithmetic number, because the mean of its divisors is an integer number (38961000).

Almost surely, 2^538812585 is an apocalyptic number.

It is an amenable number.

538812585 is a deficient number, since it is larger than the sum of its proper divisors (396251415).

538812585 is a wasteful number, since it uses less digits than its factorization.

538812585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14397 (or 14394 counting only the distinct ones).

The product of its digits is 384000, while the sum is 45.

The square root of 538812585 is about 23212.3369138051. The cubic root of 538812585 is about 813.7279691346.

The spelling of 538812585 in words is "five hundred thirty-eight million, eight hundred twelve thousand, five hundred eighty-five".