5205605 has 4 divisors (see below), whose sum is σ = 6246732. Its totient is φ = 4164480.

The previous prime is 5205593. The next prime is 5205617. The reversal of 5205605 is 5065025.

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

It is an interprime number because it is at equal distance from previous prime (5205593) and next prime (5205617).

It can be written as a sum of positive squares in 2 ways, for example, as 1181569 + 4024036 = 1087^2 + 2006^2 .

It is not a de Polignac number, because 5205605 - 2¹² = 5201509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520556 + ... + 520565.

It is an arithmetic number, because the mean of its divisors is an integer number (1561683).

Almost surely, 2^5205605 is an apocalyptic number.

It is an amenable number.

5205605 is a deficient number, since it is larger than the sum of its proper divisors (1041127).

5205605 is a wasteful number, since it uses less digits than its factorization.

5205605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041126.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 5205605 is about 2281.5794967522. The cubic root of 5205605 is about 173.3100457702.

The spelling of 5205605 in words is "five million, two hundred five thousand, six hundred five".