5657605 has 8 divisors (see below), whose sum is σ = 6801912. Its totient is φ = 4517568.

The previous prime is 5657599. The next prime is 5657623. The reversal of 5657605 is 5067565.

It can be written as a sum of positive squares in 4 ways, for example, as 613089 + 5044516 = 783^2 + 2246^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5657605 - 2¹⁷ = 5526533 is a prime.

It is an Ulam number.

It is a Duffinian number.

5657605 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4507 + ... + 5623.

It is an arithmetic number, because the mean of its divisors is an integer number (850239).

Almost surely, 2^5657605 is an apocalyptic number.

It is an amenable number.

5657605 is a deficient number, since it is larger than the sum of its proper divisors (1144307).

5657605 is a wasteful number, since it uses less digits than its factorization.

5657605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 5657605 is about 2378.5720506220. The cubic root of 5657605 is about 178.1876256658.

The spelling of 5657605 in words is "five million, six hundred fifty-seven thousand, six hundred five".