6657325 has 6 divisors (see below), whose sum is σ = 8255114. Its totient is φ = 5325840.

The previous prime is 6657311. The next prime is 6657349. The reversal of 6657325 is 5237566.

It can be written as a sum of positive squares in 3 ways, for example, as 6084 + 6651241 = 78^2 + 2579^2 .

It is not a de Polignac number, because 6657325 - 2¹⁹ = 6133037 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133122 + ... + 133171.

Almost surely, 2^6657325 is an apocalyptic number.

It is an amenable number.

6657325 is a deficient number, since it is larger than the sum of its proper divisors (1597789).

6657325 is a wasteful number, since it uses less digits than its factorization.

6657325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266303 (or 266298 counting only the distinct ones).

The product of its digits is 37800, while the sum is 34.

The square root of 6657325 is about 2580.1792573385. The cubic root of 6657325 is about 188.1192562346.

The spelling of 6657325 in words is "six million, six hundred fifty-seven thousand, three hundred twenty-five".