606545 has 4 divisors (see below), whose sum is σ = 727860. Its totient is φ = 485232.

The previous prime is 606539. The next prime is 606559. The reversal of 606545 is 545606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 440896 + 165649 = 664^2 + 407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606545 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 606545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60650 + ... + 60659.

It is an arithmetic number, because the mean of its divisors is an integer number (181965).

2⁶⁰⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

606545 is a deficient number, since it is larger than the sum of its proper divisors (121315).

606545 is a wasteful number, since it uses less digits than its factorization.

606545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121314.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 606545 is about 778.8099896637. The cubic root of 606545 is about 84.6488395999.

The spelling of 606545 in words is "six hundred six thousand, five hundred forty-five".