687325 has 12 divisors (see below), whose sum is σ = 897760. Its totient is φ = 520560.

The previous prime is 687317. The next prime is 687331. The reversal of 687325 is 523786.

It is not a de Polignac number, because 687325 - 2³ = 687317 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 congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 249 + ... + 1198.

2⁶⁸⁷³²⁵ is an apocalyptic number.

It is an amenable number.

687325 is a deficient number, since it is larger than the sum of its proper divisors (210435).

687325 is a wasteful number, since it uses less digits than its factorization.

687325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1471 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 687325 is about 829.0506619019. The cubic root of 687325 is about 88.2512191300.

The spelling of 687325 in words is "six hundred eighty-seven thousand, three hundred twenty-five".