205607 has 2 divisors, whose sum is σ = 205608. Its totient is φ = 205606.

The previous prime is 205603. The next prime is 205619. The reversal of 205607 is 706502.

205607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205607 - 2² = 205603 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 205607.

It is not a weakly prime, because it can be changed into another prime (205603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102803 + 102804.

It is an arithmetic number, because the mean of its divisors is an integer number (102804).

2²⁰⁵⁶⁰⁷ is an apocalyptic number.

205607 is a deficient number, since it is larger than the sum of its proper divisors (1).

205607 is an equidigital number, since it uses as much as digits as its factorization.

205607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 205607 is about 453.4390808036. The cubic root of 205607 is about 59.0218247325.

The spelling of 205607 in words is "two hundred five thousand, six hundred seven".