1705613 has 8 divisors (see below), whose sum is σ = 2099328. Its totient is φ = 1349424.

The previous prime is 1705601. The next prime is 1705637. The reversal of 1705613 is 3165071.

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

It is a cyclic number.

It is not a de Polignac number, because 1705613 - 2⁴ = 1705597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1705813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9281 + ... + 9462.

It is an arithmetic number, because the mean of its divisors is an integer number (262416).

2^1705613 is an apocalyptic number.

1705613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1705613 is a deficient number, since it is larger than the sum of its proper divisors (393715).

1705613 is a wasteful number, since it uses less digits than its factorization.

1705613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18763.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1705613 is about 1305.9911944573. The cubic root of 1705613 is about 119.4795282474.

Adding to 1705613 its sum of digits (23), we get a square (1705636 = 1306²).

The spelling of 1705613 in words is "one million, seven hundred five thousand, six hundred thirteen".