5659405 has 4 divisors (see below), whose sum is σ = 6791292. Its totient is φ = 4527520.

The previous prime is 5659399. The next prime is 5659417. The reversal of 5659405 is 5049565.

It is a happy number.

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 4116841 + 1542564 = 2029^2 + 1242^2 .

It is not a de Polignac number, because 5659405 - 2⁵ = 5659373 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, 565936 + ... + 565945.

It is an arithmetic number, because the mean of its divisors is an integer number (1697823).

Almost surely, 2^5659405 is an apocalyptic number.

It is an amenable number.

5659405 is a deficient number, since it is larger than the sum of its proper divisors (1131887).

5659405 is a wasteful number, since it uses less digits than its factorization.

5659405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131886.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 5659405 is about 2378.9503988104. The cubic root of 5659405 is about 178.2065208059.

The spelling of 5659405 in words is "five million, six hundred fifty-nine thousand, four hundred five".