609397 has 2 divisors, whose sum is σ = 609398. Its totient is φ = 609396.

The previous prime is 609391. The next prime is 609403. The reversal of 609397 is 793906.

609397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (609391) and next prime (609403).

It can be written as a sum of positive squares in only one way, i.e., 579121 + 30276 = 761^2 + 174^2 .

It is a cyclic number.

It is not a de Polignac number, because 609397 - 2⁷ = 609269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304698 + 304699.

It is an arithmetic number, because the mean of its divisors is an integer number (304699).

2⁶⁰⁹³⁹⁷ is an apocalyptic number.

It is an amenable number.

609397 is a deficient number, since it is larger than the sum of its proper divisors (1).

609397 is an equidigital number, since it uses as much as digits as its factorization.

609397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 609397 is about 780.6388409502. The cubic root of 609397 is about 84.7813063250.

The spelling of 609397 in words is "six hundred nine thousand, three hundred ninety-seven".