531340500 has 96 divisors (see below), whose sum is σ = 1572899328. Its totient is φ = 139344000.

The previous prime is 531340477. The next prime is 531340517. The reversal of 531340500 is 5043135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88597 + ... + 94403.

It is an arithmetic number, because the mean of its divisors is an integer number (16384368).

Almost surely, 2^531340500 is an apocalyptic number.

531340500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531340500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786449664).

531340500 is an abundant number, since it is smaller than the sum of its proper divisors (1041558828).

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

531340500 is a wasteful number, since it uses less digits than its factorization.

531340500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890 (or 5878 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 531340500 is about 23050.8242802725. The cubic root of 531340500 is about 809.9489374913.

Adding to 531340500 its reverse (5043135), we get a palindrome (536383635).

The spelling of 531340500 in words is "five hundred thirty-one million, three hundred forty thousand, five hundred".