1606597 has 2 divisors, whose sum is σ = 1606598. Its totient is φ = 1606596.

The previous prime is 1606559. The next prime is 1606603. The reversal of 1606597 is 7956061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 527076 = 1039^2 + 726^2 .

It is an emirp because it is prime and its reverse (7956061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1606597 - 2¹⁵ = 1573829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803298 + 803299.

It is an arithmetic number, because the mean of its divisors is an integer number (803299).

2^1606597 is an apocalyptic number.

It is an amenable number.

1606597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606597 is an equidigital number, since it uses as much as digits as its factorization.

1606597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 1606597 is about 1267.5160748488. The cubic root of 1606597 is about 117.1212369805.

The spelling of 1606597 in words is "one million, six hundred six thousand, five hundred ninety-seven".