6909025 has 12 divisors (see below), whose sum is σ = 8767792. Its totient is φ = 5397840.

The previous prime is 6909017. The next prime is 6909037. The reversal of 6909025 is 5209096.

It is not a de Polignac number, because 6909025 - 2³ = 6909017 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2139 + ... + 4288.

Almost surely, 2^6909025 is an apocalyptic number.

It is an amenable number.

6909025 is a deficient number, since it is larger than the sum of its proper divisors (1858767).

6909025 is a wasteful number, since it uses less digits than its factorization.

6909025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480 (or 6475 counting only the distinct ones).

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

The square root of 6909025 is about 2628.5024253365. The cubic root of 6909025 is about 190.4607929270.

The spelling of 6909025 in words is "six million, nine hundred nine thousand, twenty-five".