531540522233 has 8 divisors (see below), whose sum is σ = 617433487680. Its totient is φ = 448137208080.

The previous prime is 531540522217. The next prime is 531540522391. The reversal of 531540522233 is 332225045135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531540522233 - 2⁴ = 531540522217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531540522193 and 531540522202.

It is not an unprimeable number, because it can be changed into a prime (531540525233) 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, 622412363 + ... + 622413216.

It is an arithmetic number, because the mean of its divisors is an integer number (77179185960).

Almost surely, 2^531540522233 is an apocalyptic number.

It is an amenable number.

531540522233 is a deficient number, since it is larger than the sum of its proper divisors (85892965447).

531540522233 is a wasteful number, since it uses less digits than its factorization.

531540522233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244825647.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 531540522233 its reverse (332225045135), we get a palindrome (863765567368).

The spelling of 531540522233 in words is "five hundred thirty-one billion, five hundred forty million, five hundred twenty-two thousand, two hundred thirty-three".