531130452 has 24 divisors (see below), whose sum is σ = 1250889696. Its totient is φ = 175388448.

The previous prime is 531130451. The next prime is 531130459. The reversal of 531130452 is 254031135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531130451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205543 + ... + 208110.

It is an arithmetic number, because the mean of its divisors is an integer number (52120404).

Almost surely, 2^531130452 is an apocalyptic number.

It is an amenable number.

531130452 is an abundant number, since it is smaller than the sum of its proper divisors (719759244).

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

531130452 is a wasteful number, since it uses less digits than its factorization.

531130452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413767 (or 413765 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 531130452 is about 23046.2676370817. The cubic root of 531130452 is about 809.8421945286.

Adding to 531130452 its reverse (254031135), we get a palindrome (785161587).

The spelling of 531130452 in words is "five hundred thirty-one million, one hundred thirty thousand, four hundred fifty-two".