671287325 has 12 divisors (see below), whose sum is σ = 835476288. Its totient is φ = 535042800.

The previous prime is 671287303. The next prime is 671287333. The reversal of 671287325 is 523782176.

It is not a de Polignac number, because 671287325 - 2⁸ = 671287069 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 42767 + ... + 56316.

It is an arithmetic number, because the mean of its divisors is an integer number (69623024).

Almost surely, 2^671287325 is an apocalyptic number.

It is an amenable number.

671287325 is a deficient number, since it is larger than the sum of its proper divisors (164188963).

671287325 is a wasteful number, since it uses less digits than its factorization.

671287325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99364 (or 99359 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 671287325 is about 25909.2131296958. The cubic root of 671287325 is about 875.5940781941.

The spelling of 671287325 in words is "six hundred seventy-one million, two hundred eighty-seven thousand, three hundred twenty-five".