531052389 has 64 divisors (see below), whose sum is σ = 926023680. Its totient is φ = 294503040.

The previous prime is 531052387. The next prime is 531052393. The reversal of 531052389 is 983250135.

531052389 is a `hidden beast` number, since 53 + 1 + 0 + 523 + 89 = 666.

It is not a de Polignac number, because 531052389 - 2¹ = 531052387 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531052387) 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 63 ways as a sum of consecutive naturals, for example, 1696497 + ... + 1696809.

It is an arithmetic number, because the mean of its divisors is an integer number (14469120).

Almost surely, 2^531052389 is an apocalyptic number.

It is an amenable number.

531052389 is a deficient number, since it is larger than the sum of its proper divisors (394971291).

531052389 is a wasteful number, since it uses less digits than its factorization.

531052389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 531052389 is about 23044.5739600453. The cubic root of 531052389 is about 809.8025170141.

It can be divided in two parts, 531052 and 389, that added together give a 12-th power (531441 = 3¹²).

The spelling of 531052389 in words is "five hundred thirty-one million, fifty-two thousand, three hundred eighty-nine".