531909063 has 54 divisors (see below), whose sum is σ = 936701064. Its totient is φ = 289463328.

The previous prime is 531909043. The next prime is 531909071. The reversal of 531909063 is 360909135.

It is not a de Polignac number, because 531909063 - 2¹⁴ = 531892679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531909043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2322633 + ... + 2322861.

It is an arithmetic number, because the mean of its divisors is an integer number (17346316).

Almost surely, 2^531909063 is an apocalyptic number.

531909063 is a deficient number, since it is larger than the sum of its proper divisors (404792001).

531909063 is a wasteful number, since it uses less digits than its factorization.

531909063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 531909063 is about 23063.1537956109. The cubic root of 531909063 is about 810.2377308605.

The spelling of 531909063 in words is "five hundred thirty-one million, nine hundred nine thousand, sixty-three".