531380084 has 12 divisors (see below), whose sum is σ = 984616164. Its totient is φ = 250061184.

The previous prime is 531380081. The next prime is 531380093. The reversal of 531380084 is 480083135.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 163123984 + 368256100 = 12772^2 + 19190^2 .

It is a super-3 number, since 3×531380084³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531380084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531380081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907139 + ... + 3907274.

It is an arithmetic number, because the mean of its divisors is an integer number (82051347).

Almost surely, 2^531380084 is an apocalyptic number.

It is an amenable number.

531380084 is a deficient number, since it is larger than the sum of its proper divisors (453236080).

531380084 is a wasteful number, since it uses less digits than its factorization.

531380084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7814434 (or 7814432 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 531380084 is about 23051.6828886743. The cubic root of 531380084 is about 809.9690502832.

The spelling of 531380084 in words is "five hundred thirty-one million, three hundred eighty thousand, eighty-four".