2784125 has 8 divisors (see below), whose sum is σ = 3474744. Its totient is φ = 2227200.

The previous prime is 2784113. The next prime is 2784137. The reversal of 2784125 is 5214872.

It is an interprime number because it is at equal distance from previous prime (2784113) and next prime (2784137).

It can be written as a sum of positive squares in 4 ways, for example, as 840889 + 1943236 = 917^2 + 1394^2 .

It is not a de Polignac number, because 2784125 - 2⁴ = 2784109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11012 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (434343).

2^2784125 is an apocalyptic number.

2784125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2784125 is a deficient number, since it is larger than the sum of its proper divisors (690619).

2784125 is an equidigital number, since it uses as much as digits as its factorization.

2784125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22288 (or 22278 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 2784125 is about 1668.5697468191. The cubic root of 2784125 is about 140.6790985272.

Adding to 2784125 its reverse (5214872), we get a palindrome (7998997).

The spelling of 2784125 in words is "two million, seven hundred eighty-four thousand, one hundred twenty-five".