597409 has 2 divisors, whose sum is σ = 597410. Its totient is φ = 597408.

The previous prime is 597407. The next prime is 597419. The reversal of 597409 is 904795.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305809 + 291600 = 553^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 597409 - 2¹ = 597407 is a prime.

Together with 597407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (597403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298704 + 298705.

It is an arithmetic number, because the mean of its divisors is an integer number (298705).

2⁵⁹⁷⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

597409 is a deficient number, since it is larger than the sum of its proper divisors (1).

597409 is an equidigital number, since it uses as much as digits as its factorization.

597409 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 597409 is about 772.9223764389. The cubic root of 597409 is about 84.2216839040.

The spelling of 597409 in words is "five hundred ninety-seven thousand, four hundred nine".