531012352 has 72 divisors (see below), whose sum is σ = 1147215440. Its totient is φ = 243855360.

The previous prime is 531012343. The next prime is 531012373. The reversal of 531012352 is 253210135.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261102 + ... + 1261522.

Almost surely, 2^531012352 is an apocalyptic number.

531012352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531012352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573607720).

531012352 is an abundant number, since it is smaller than the sum of its proper divisors (616203088).

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

531012352 is a wasteful number, since it uses less digits than its factorization.

531012352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 531012352 is about 23043.7052576186. The cubic root of 531012352 is about 809.7821656772.

Adding to 531012352 its reverse (253210135), we get a palindrome (784222487).

The spelling of 531012352 in words is "five hundred thirty-one million, twelve thousand, three hundred fifty-two".