531423532 has 6 divisors (see below), whose sum is σ = 929991188. Its totient is φ = 265711764.

The previous prime is 531423517. The next prime is 531423551. The reversal of 531423532 is 235324135.

It is a self number, because there is not a number n which added to its sum of digits gives 531423532.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66427938 + ... + 66427945.

Almost surely, 2^531423532 is an apocalyptic number.

It is an amenable number.

531423532 is a deficient number, since it is larger than the sum of its proper divisors (398567656).

531423532 is a wasteful number, since it uses less digits than its factorization.

531423532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132855887 (or 132855885 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 531423532 is about 23052.6252734911. The cubic root of 531423532 is about 809.9911252393.

Adding to 531423532 its reverse (235324135), we get a palindrome (766747667).

The spelling of 531423532 in words is "five hundred thirty-one million, four hundred twenty-three thousand, five hundred thirty-two".