531211532 has 6 divisors (see below), whose sum is σ = 929620188. Its totient is φ = 265605764.

The previous prime is 531211523. The next prime is 531211573. The reversal of 531211532 is 235112135.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 531211498 and 531211507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66401438 + ... + 66401445.

It is an arithmetic number, because the mean of its divisors is an integer number (154936698).

Almost surely, 2^531211532 is an apocalyptic number.

It is an amenable number.

531211532 is a deficient number, since it is larger than the sum of its proper divisors (398408656).

531211532 is a wasteful number, since it uses less digits than its factorization.

531211532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132802887 (or 132802885 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 531211532 is about 23048.0266400401. The cubic root of 531211532 is about 809.8834013947.

Adding to 531211532 its reverse (235112135), we get a palindrome (766323667).

The spelling of 531211532 in words is "five hundred thirty-one million, two hundred eleven thousand, five hundred thirty-two".