532531128 has 16 divisors (see below), whose sum is σ = 1331327880. Its totient is φ = 177510368.

The previous prime is 532531123. The next prime is 532531157. The reversal of 532531128 is 821135235.

It is a junction number, because it is equal to n+sod(n) for n = 532531095 and 532531104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532531123) 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, 11094375 + ... + 11094422.

Almost surely, 2^532531128 is an apocalyptic number.

It is an amenable number.

532531128 is an abundant number, since it is smaller than the sum of its proper divisors (798796752).

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

532531128 is a wasteful number, since it uses less digits than its factorization.

532531128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22188806 (or 22188802 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 532531128 is about 23076.6359766756. The cubic root of 532531128 is about 810.5534641399.

The spelling of 532531128 in words is "five hundred thirty-two million, five hundred thirty-one thousand, one hundred twenty-eight".