531301716 has 72 divisors (see below), whose sum is σ = 1467648000. Its totient is φ = 160721280.

The previous prime is 531301703. The next prime is 531301741. The reversal of 531301716 is 617103135.

It is a self number, because there is not a number n which added to its sum of digits gives 531301716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414765 + ... + 416043.

It is an arithmetic number, because the mean of its divisors is an integer number (20384000).

Almost surely, 2^531301716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531301716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733824000).

531301716 is an abundant number, since it is smaller than the sum of its proper divisors (936346284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531301716 is a wasteful number, since it uses less digits than its factorization.

531301716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 531301716 is about 23049.9829934861. The cubic root of 531301716 is about 809.9292302139.

The spelling of 531301716 in words is "five hundred thirty-one million, three hundred one thousand, seven hundred sixteen".