6900925 has 6 divisors (see below), whose sum is σ = 8557178. Its totient is φ = 5520720.

The previous prime is 6900923. The next prime is 6900937. The reversal of 6900925 is 5290096.

It can be written as a sum of positive squares in 3 ways, for example, as 125316 + 6775609 = 354^2 + 2603^2 .

It is not a de Polignac number, because 6900925 - 2¹ = 6900923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900923) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 137994 + ... + 138043.

Almost surely, 2^6900925 is an apocalyptic number.

It is an amenable number.

6900925 is a deficient number, since it is larger than the sum of its proper divisors (1656253).

6900925 is a wasteful number, since it uses less digits than its factorization.

6900925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276047 (or 276042 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 6900925 is about 2626.9611721531. The cubic root of 6900925 is about 190.3863330379.

The spelling of 6900925 in words is "six million, nine hundred thousand, nine hundred twenty-five".