531354424252 has 12 divisors (see below), whose sum is σ = 929896838136. Its totient is φ = 265669613360.

The previous prime is 531354424189. The next prime is 531354424253. The reversal of 531354424252 is 252424453135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531354424253) by changing a digit.

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, 1740883 + ... + 2023210.

It is an arithmetic number, because the mean of its divisors is an integer number (77491403178).

Almost surely, 2^531354424252 is an apocalyptic number.

It is an amenable number.

531354424252 is a deficient number, since it is larger than the sum of its proper divisors (398542413884).

531354424252 is a wasteful number, since it uses less digits than its factorization.

531354424252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3799388 (or 3799386 counting only the distinct ones).

The product of its digits is 576000, while the sum is 40.

Adding to 531354424252 its reverse (252424453135), we get a palindrome (783778877387).

The spelling of 531354424252 in words is "five hundred thirty-one billion, three hundred fifty-four million, four hundred twenty-four thousand, two hundred fifty-two".