2868125 has 20 divisors (see below), whose sum is σ = 3870636. Its totient is φ = 2112000.

The previous prime is 2868119. The next prime is 2868137. The reversal of 2868125 is 5218682.

It can be written as a sum of positive squares in 10 ways, for example, as 2679769 + 188356 = 1637^2 + 434^2 .

It is not a de Polignac number, because 2868125 - 2⁴ = 2868109 is a prime.

It is a super-2 number, since 2×2868125² = 16452282031250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2868091 and 2868100.

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 19 ways as a sum of consecutive naturals, for example, 7949 + ... + 8301.

2^2868125 is an apocalyptic number.

2868125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2868125 is a deficient number, since it is larger than the sum of its proper divisors (1002511).

2868125 is an equidigital number, since it uses as much as digits as its factorization.

2868125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 371 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 2868125 is about 1693.5539554440. The cubic root of 2868125 is about 142.0799160023.

The spelling of 2868125 in words is "two million, eight hundred sixty-eight thousand, one hundred twenty-five".