6691325 has 12 divisors (see below), whose sum is σ = 8734560. Its totient is φ = 5070960.

The previous prime is 6691309. The next prime is 6691331. The reversal of 6691325 is 5231966.

It is a happy number.

It is not a de Polignac number, because 6691325 - 2⁴ = 6691309 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6691291 and 6691300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6569 + ... + 7518.

It is an arithmetic number, because the mean of its divisors is an integer number (727880).

Almost surely, 2^6691325 is an apocalyptic number.

It is an amenable number.

6691325 is a deficient number, since it is larger than the sum of its proper divisors (2043235).

6691325 is a wasteful number, since it uses less digits than its factorization.

6691325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14116 (or 14111 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 6691325 is about 2586.7595558923. The cubic root of 6691325 is about 188.4389640728.

The spelling of 6691325 in words is "six million, six hundred ninety-one thousand, three hundred twenty-five".