531241552252 has 12 divisors (see below), whose sum is σ = 929683116040. Its totient is φ = 265617804816.

The previous prime is 531241552217. The next prime is 531241552291. The reversal of 531241552252 is 252255142135.

It is a super-2 number, since 2×531241552252² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312903 + ... + 1077214.

Almost surely, 2^531241552252 is an apocalyptic number.

It is an amenable number.

531241552252 is a deficient number, since it is larger than the sum of its proper divisors (398441563788).

531241552252 is a wasteful number, since it uses less digits than its factorization.

531241552252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485660 (or 1485658 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

Adding to 531241552252 its reverse (252255142135), we get a palindrome (783496694387).

The spelling of 531241552252 in words is "five hundred thirty-one billion, two hundred forty-one million, five hundred fifty-two thousand, two hundred fifty-two".