531280572 has 12 divisors (see below), whose sum is σ = 1239654696. Its totient is φ = 177093520.

The previous prime is 531280567. The next prime is 531280579. The reversal of 531280572 is 275082135.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531280579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22136679 + ... + 22136702.

It is an arithmetic number, because the mean of its divisors is an integer number (103304558).

Almost surely, 2^531280572 is an apocalyptic number.

It is an amenable number.

531280572 is an abundant number, since it is smaller than the sum of its proper divisors (708374124).

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

531280572 is a wasteful number, since it uses less digits than its factorization.

531280572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44273388 (or 44273386 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 531280572 is about 23049.5243334868. The cubic root of 531280572 is about 809.9184859291.

The spelling of 531280572 in words is "five hundred thirty-one million, two hundred eighty thousand, five hundred seventy-two".