531540852 has 24 divisors (see below), whose sum is σ = 1240684032. Its totient is φ = 177120000.

The previous prime is 531540829. The next prime is 531540857. The reversal of 531540852 is 258045135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531540857) 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 7 ways as a sum of consecutive naturals, for example, 42477 + ... + 53547.

It is an arithmetic number, because the mean of its divisors is an integer number (51695168).

Almost surely, 2^531540852 is an apocalyptic number.

It is an amenable number.

531540852 is an abundant number, since it is smaller than the sum of its proper divisors (709143180).

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

531540852 is a wasteful number, since it uses less digits than its factorization.

531540852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079 (or 15077 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 531540852 is about 23055.1697456341. The cubic root of 531540852 is about 810.0507268948.

Adding to 531540852 its reverse (258045135), we get a palindrome (789585987).

The spelling of 531540852 in words is "five hundred thirty-one million, five hundred forty thousand, eight hundred fifty-two".