1712661 has 4 divisors (see below), whose sum is σ = 2283552. Its totient is φ = 1141772.

The previous prime is 1712639. The next prime is 1712707. The reversal of 1712661 is 1662171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1712661 - 2⁵ = 1712629 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1712621) 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, 285441 + ... + 285446.

It is an arithmetic number, because the mean of its divisors is an integer number (570888).

2^1712661 is an apocalyptic number.

It is an amenable number.

1712661 is a deficient number, since it is larger than the sum of its proper divisors (570891).

1712661 is an equidigital number, since it uses as much as digits as its factorization.

1712661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570890.

The product of its digits is 504, while the sum is 24.

The square root of 1712661 is about 1308.6867463224. The cubic root of 1712661 is about 119.6438747243.

The spelling of 1712661 in words is "one million, seven hundred twelve thousand, six hundred sixty-one".