531288563 has 8 divisors (see below), whose sum is σ = 577407600. Its totient is φ = 485919648.

The previous prime is 531288559. The next prime is 531288599. The reversal of 531288563 is 365882135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531288563 - 2² = 531288559 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 531288563.

It is not an unprimeable number, because it can be changed into a prime (531288503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186053 + ... + 188886.

It is an arithmetic number, because the mean of its divisors is an integer number (72175950).

Almost surely, 2^531288563 is an apocalyptic number.

531288563 is a deficient number, since it is larger than the sum of its proper divisors (46119037).

531288563 is a wasteful number, since it uses less digits than its factorization.

531288563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375061.

The product of its digits is 172800, while the sum is 41.

The square root of 531288563 is about 23049.6976769762. The cubic root of 531288563 is about 809.9225465746.

The spelling of 531288563 in words is "five hundred thirty-one million, two hundred eighty-eight thousand, five hundred sixty-three".