2678125 has 12 divisors (see below), whose sum is σ = 3351348. Its totient is φ = 2140000.

The previous prime is 2678119. The next prime is 2678131. The reversal of 2678125 is 5218762.

It is an interprime number because it is at equal distance from previous prime (2678119) and next prime (2678131).

It can be written as a sum of positive squares in 6 ways, for example, as 1602756 + 1075369 = 1266^2 + 1037^2 .

It is not a de Polignac number, because 2678125 - 2¹¹ = 2676077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2697 + ... + 3553.

It is an arithmetic number, because the mean of its divisors is an integer number (279279).

2^2678125 is an apocalyptic number.

2678125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2678125 is a deficient number, since it is larger than the sum of its proper divisors (673223).

2678125 is an frugal number, since it uses more digits than its factorization.

2678125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 862 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 2678125 is about 1636.4977849053. The cubic root of 2678125 is about 138.8705901818.

The spelling of 2678125 in words is "two million, six hundred seventy-eight thousand, one hundred twenty-five".