6840125 has 8 divisors (see below), whose sum is σ = 8536632. Its totient is φ = 5472000.

The previous prime is 6840109. The next prime is 6840157. The reversal of 6840125 is 5210486.

It can be written as a sum of positive squares in 4 ways, for example, as 64516 + 6775609 = 254^2 + 2603^2 .

It is not a de Polignac number, because 6840125 - 2⁴ = 6840109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6840094 and 6840103.

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, 27236 + ... + 27485.

It is an arithmetic number, because the mean of its divisors is an integer number (1067079).

Almost surely, 2^6840125 is an apocalyptic number.

It is an amenable number.

6840125 is a deficient number, since it is larger than the sum of its proper divisors (1696507).

6840125 is an equidigital number, since it uses as much as digits as its factorization.

6840125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54736 (or 54726 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 6840125 is about 2615.3632634875. The cubic root of 6840125 is about 189.8255554913.

The spelling of 6840125 in words is "six million, eight hundred forty thousand, one hundred twenty-five".