532781250 has 56 divisors (see below), whose sum is σ = 1332170448. Its totient is φ = 142050000.

The previous prime is 532781239. The next prime is 532781273. The reversal of 532781250 is 52187235.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 90909 + ... + 96591.

It is an arithmetic number, because the mean of its divisors is an integer number (23788758).

Almost surely, 2^532781250 is an apocalyptic number.

532781250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 532781250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666085224).

532781250 is an abundant number, since it is smaller than the sum of its proper divisors (799389198).

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

532781250 is an frugal number, since it uses more digits than its factorization.

532781250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718 (or 5693 counting only the distinct ones).

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

The square root of 532781250 is about 23082.0547178972. The cubic root of 532781250 is about 810.6803459379.

The spelling of 532781250 in words is "five hundred thirty-two million, seven hundred eighty-one thousand, two hundred fifty".