531872850 has 24 divisors (see below), whose sum is σ = 1319045040. Its totient is φ = 141832720.

The previous prime is 531872849. The next prime is 531872851. The reversal of 531872850 is 58278135.

It is an interprime number because it is at equal distance from previous prime (531872849) and next prime (531872851).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 531872799 and 531872808.

It is not an unprimeable number, because it can be changed into a prime (531872851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1772760 + ... + 1773059.

It is an arithmetic number, because the mean of its divisors is an integer number (54960210).

Almost surely, 2^531872850 is an apocalyptic number.

531872850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531872850 is an abundant number, since it is smaller than the sum of its proper divisors (787172190).

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

531872850 is a wasteful number, since it uses less digits than its factorization.

531872850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545834 (or 3545829 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 531872850 is about 23062.3686988132. The cubic root of 531872850 is about 810.2193431279.

The spelling of 531872850 in words is "five hundred thirty-one million, eight hundred seventy-two thousand, eight hundred fifty".