1726601 has 2 divisors, whose sum is σ = 1726602. Its totient is φ = 1726600.

The previous prime is 1726597. The next prime is 1726603. The reversal of 1726601 is 1066271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1452025 + 274576 = 1205^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 1726601 - 2² = 1726597 is a prime.

Together with 1726603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1726603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863300 + 863301.

It is an arithmetic number, because the mean of its divisors is an integer number (863301).

2^1726601 is an apocalyptic number.

It is an amenable number.

1726601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1726601 is an equidigital number, since it uses as much as digits as its factorization.

1726601 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1726601 is about 1314.0019025861. The cubic root of 1726601 is about 119.9676069973.

The spelling of 1726601 in words is "one million, seven hundred twenty-six thousand, six hundred one".