6881250 has 48 divisors (see below), whose sum is σ = 17248896. Its totient is φ = 1830000.

The previous prime is 6881239. The next prime is 6881257. The reversal of 6881250 is 521886.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6881257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18567 + ... + 18933.

It is an arithmetic number, because the mean of its divisors is an integer number (359352).

Almost surely, 2^6881250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6881250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8624448).

6881250 is an abundant number, since it is smaller than the sum of its proper divisors (10367646).

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

6881250 is an equidigital number, since it uses as much as digits as its factorization.

6881250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 6881250 is about 2623.2136779149. The cubic root of 6881250 is about 190.2052260780.

It can be divided in two parts, 68 and 81250, that added together give a palindrome (81318).

The spelling of 6881250 in words is "six million, eight hundred eighty-one thousand, two hundred fifty".