531977852 has 12 divisors (see below), whose sum is σ = 1063955760. Its totient is φ = 227990496.

The previous prime is 531977851. The next prime is 531977867. The reversal of 531977852 is 258779135.

531977852 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 531977797 and 531977806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531977851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9499577 + ... + 9499632.

It is an arithmetic number, because the mean of its divisors is an integer number (88662980).

Almost surely, 2^531977852 is an apocalyptic number.

It is an amenable number.

531977852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531977852 is a wasteful number, since it uses less digits than its factorization.

531977852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18999220 (or 18999218 counting only the distinct ones).

The product of its digits is 529200, while the sum is 47.

The square root of 531977852 is about 23064.6450655543. The cubic root of 531977852 is about 810.2726572823.

The spelling of 531977852 in words is "five hundred thirty-one million, nine hundred seventy-seven thousand, eight hundred fifty-two".