531151712 has 96 divisors (see below), whose sum is σ = 1295481600. Its totient is φ = 208747008.

The previous prime is 531151657. The next prime is 531151717. The reversal of 531151712 is 217151135.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531151717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520739 + ... + 521757.

It is an arithmetic number, because the mean of its divisors is an integer number (13494600).

Almost surely, 2^531151712 is an apocalyptic number.

531151712 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 531151712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647740800).

531151712 is an abundant number, since it is smaller than the sum of its proper divisors (764329888).

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

531151712 is a wasteful number, since it uses less digits than its factorization.

531151712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1220 counting only the distinct ones).

The product of its digits is 1050, while the sum is 26.

The square root of 531151712 is about 23046.7288785198. The cubic root of 531151712 is about 809.8529997933.

The spelling of 531151712 in words is "five hundred thirty-one million, one hundred fifty-one thousand, seven hundred twelve".