1713641 has 2 divisors, whose sum is σ = 1713642. Its totient is φ = 1713640.

The previous prime is 1713637. The next prime is 1713671. The reversal of 1713641 is 1463171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1700416 + 13225 = 1304^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1713641 - 2² = 1713637 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1713601) 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 as a sum of consecutive naturals, namely, 856820 + 856821.

It is an arithmetic number, because the mean of its divisors is an integer number (856821).

2^1713641 is an apocalyptic number.

It is an amenable number.

1713641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1713641 is an equidigital number, since it uses as much as digits as its factorization.

1713641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 1713641 is about 1309.0611139286. The cubic root of 1713641 is about 119.6666908061. Note that the first 4 decimals are identical.

The spelling of 1713641 in words is "one million, seven hundred thirteen thousand, six hundred forty-one".