1670325 has 12 divisors (see below), whose sum is σ = 2761728. Its totient is φ = 890800.

The previous prime is 1670303. The next prime is 1670327. The reversal of 1670325 is 5230761.

It is not a de Polignac number, because 1670325 - 2⁹ = 1669813 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1670295 and 1670304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670327) by changing a digit.

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, 11061 + ... + 11210.

It is an arithmetic number, because the mean of its divisors is an integer number (230144).

2^1670325 is an apocalyptic number.

1670325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1670325 is a deficient number, since it is larger than the sum of its proper divisors (1091403).

1670325 is a wasteful number, since it uses less digits than its factorization.

1670325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22284 (or 22279 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 1670325 is about 1292.4105384900. The cubic root of 1670325 is about 118.6497954314.

The spelling of 1670325 in words is "one million, six hundred seventy thousand, three hundred twenty-five".