5605405 has 16 divisors (see below), whose sum is σ = 7338240. Its totient is φ = 4085568.

The previous prime is 5605387. The next prime is 5605423. The reversal of 5605405 is 5045065.

It is an interprime number because it is at equal distance from previous prime (5605387) and next prime (5605423).

It is a cyclic number.

It is not a de Polignac number, because 5605405 - 2¹⁷ = 5474333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5605405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4876 + ... + 5914.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 2^5605405 is an apocalyptic number.

It is an amenable number.

5605405 is a deficient number, since it is larger than the sum of its proper divisors (1732835).

5605405 is a wasteful number, since it uses less digits than its factorization.

5605405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 5605405 is about 2367.5736524974. The cubic root of 5605405 is about 177.6379143718.

The spelling of 5605405 in words is "five million, six hundred five thousand, four hundred five".