531011552 has 12 divisors (see below), whose sum is σ = 1045429056. Its totient is φ = 265505760.

The previous prime is 531011539. The next prime is 531011573. The reversal of 531011552 is 255110135.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8297024 + ... + 8297087.

It is an arithmetic number, because the mean of its divisors is an integer number (87119088).

Almost surely, 2^531011552 is an apocalyptic number.

It is an amenable number.

531011552 is a deficient number, since it is larger than the sum of its proper divisors (514417504).

531011552 is a wasteful number, since it uses less digits than its factorization.

531011552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16594121 (or 16594113 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 531011552 is about 23043.6878992925. The cubic root of 531011552 is about 809.7817590162.

Adding to 531011552 its reverse (255110135), we get a palindrome (786121687).

The spelling of 531011552 in words is "five hundred thirty-one million, eleven thousand, five hundred fifty-two".