533531250 has 168 divisors, whose sum is σ = 1657478784. Its totient is φ = 121500000.

The previous prime is 533531239. The next prime is 533531311. The reversal of 533531250 is 52135335.

533531250 is a `hidden beast` number, since 533 + 5 + 3 + 125 + 0 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1968615 + ... + 1968885.

Almost surely, 2^533531250 is an apocalyptic number.

533531250 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 533531250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828739392).

533531250 is an abundant number, since it is smaller than the sum of its proper divisors (1123947534).

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

533531250 is an equidigital number, since it uses as much as digits as its factorization.

533531250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 533531250 is about 23098.2953916517. The cubic root of 533531250 is about 811.0605677658.

Adding to 533531250 its reverse (52135335), we get a palindrome (585666585).

It can be divided in two parts, 5335 and 31250, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 533531250 in words is "five hundred thirty-three million, five hundred thirty-one thousand, two hundred fifty".