687087325 has 12 divisors (see below), whose sum is σ = 871803328. Its totient is φ = 536886000.

The previous prime is 687087281. The next prime is 687087337. The reversal of 687087325 is 523780786.

It is a de Polignac number, because none of the positive numbers 2^k-687087325 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318501 + ... + 320650.

Almost surely, 2^687087325 is an apocalyptic number.

It is an amenable number.

687087325 is a deficient number, since it is larger than the sum of its proper divisors (184716003).

687087325 is a wasteful number, since it uses less digits than its factorization.

687087325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639204 (or 639199 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 687087325 is about 26212.3506195076. The cubic root of 687087325 is about 882.4104561833.

The spelling of 687087325 in words is "six hundred eighty-seven million, eighty-seven thousand, three hundred twenty-five".