1712243 has 4 divisors (see below), whose sum is σ = 1843968. Its totient is φ = 1580520.

The previous prime is 1712237. The next prime is 1712267. The reversal of 1712243 is 3422171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1712243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1712203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65843 + ... + 65868.

It is an arithmetic number, because the mean of its divisors is an integer number (460992).

2^1712243 is an apocalyptic number.

1712243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1712243 is a deficient number, since it is larger than the sum of its proper divisors (131725).

1712243 is a wasteful number, since it uses less digits than its factorization.

1712243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131724.

The product of its digits is 336, while the sum is 20.

The square root of 1712243 is about 1308.5270344934. The cubic root of 1712243 is about 119.6341403190.

The spelling of 1712243 in words is "one million, seven hundred twelve thousand, two hundred forty-three".