606569 has 2 divisors, whose sum is σ = 606570. Its totient is φ = 606568.

The previous prime is 606559. The next prime is 606581. The reversal of 606569 is 965606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473344 + 133225 = 688^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 606569 - 2⁸ = 606313 is a prime.

It is a super-2 number, since 2×606569² = 735851903522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (606539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303284 + 303285.

It is an arithmetic number, because the mean of its divisors is an integer number (303285).

2⁶⁰⁶⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

606569 is a deficient number, since it is larger than the sum of its proper divisors (1).

606569 is an equidigital number, since it uses as much as digits as its factorization.

606569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 606569 is about 778.8253976342. The cubic root of 606569 is about 84.6499560575.

The spelling of 606569 in words is "six hundred six thousand, five hundred sixty-nine".