6905125 has 16 divisors (see below), whose sum is σ = 8856432. Its totient is φ = 5371200.

The previous prime is 6905123. The next prime is 6905137. The reversal of 6905125 is 5215096.

It can be written as a sum of positive squares in 8 ways, for example, as 191844 + 6713281 = 438^2 + 2591^2 .

It is not a de Polignac number, because 6905125 - 2¹ = 6905123 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6905093 and 6905102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6905123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3879 + ... + 5371.

It is an arithmetic number, because the mean of its divisors is an integer number (553527).

Almost surely, 2^6905125 is an apocalyptic number.

It is an amenable number.

6905125 is a deficient number, since it is larger than the sum of its proper divisors (1951307).

6905125 is a wasteful number, since it uses less digits than its factorization.

6905125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 6905125 is about 2627.7604533138. The cubic root of 6905125 is about 190.4249491381.

The spelling of 6905125 in words is "six million, nine hundred five thousand, one hundred twenty-five".