1722713 has 2 divisors, whose sum is σ = 1722714. Its totient is φ = 1722712.

The previous prime is 1722667. The next prime is 1722719. The reversal of 1722713 is 3172271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1721344 + 1369 = 1312^2 + 37^2 .

It is an emirp because it is prime and its reverse (3172271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1722713 - 2⁶ = 1722649 is a prime.

It is a Chen prime.

It is a nialpdrome in base 11.

It is not a weakly prime, because it can be changed into another prime (1722719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861356 + 861357.

It is an arithmetic number, because the mean of its divisors is an integer number (861357).

2^1722713 is an apocalyptic number.

It is an amenable number.

1722713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1722713 is an equidigital number, since it uses as much as digits as its factorization.

1722713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 23.

The square root of 1722713 is about 1312.5216188696. The cubic root of 1722713 is about 119.8774907123.

Adding to 1722713 its reverse (3172271), we get a palindrome (4894984).

The spelling of 1722713 in words is "one million, seven hundred twenty-two thousand, seven hundred thirteen".