1685013 has 8 divisors (see below), whose sum is σ = 2450976. Its totient is φ = 1021200.

The previous prime is 1685011. The next prime is 1685039. The reversal of 1685013 is 3105861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1685013 - 2¹ = 1685011 is a prime.

1685013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25498 + ... + 25563.

It is an arithmetic number, because the mean of its divisors is an integer number (306372).

2^1685013 is an apocalyptic number.

It is an amenable number.

1685013 is a deficient number, since it is larger than the sum of its proper divisors (765963).

1685013 is a wasteful number, since it uses less digits than its factorization.

1685013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51075.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1685013 is about 1298.0805059780. The cubic root of 1685013 is about 118.9965632320.

The spelling of 1685013 in words is "one million, six hundred eighty-five thousand, thirteen".