5640593 has 4 divisors (see below), whose sum is σ = 6446400. Its totient is φ = 4834788.

The previous prime is 5640559. The next prime is 5640599. The reversal of 5640593 is 3950465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3950465 = 5 ⋅790093.

It is not a de Polignac number, because 5640593 - 2⁸ = 5640337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5640599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402893 + ... + 402906.

It is an arithmetic number, because the mean of its divisors is an integer number (1611600).

Almost surely, 2^5640593 is an apocalyptic number.

It is an amenable number.

5640593 is a deficient number, since it is larger than the sum of its proper divisors (805807).

5640593 is an equidigital number, since it uses as much as digits as its factorization.

5640593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805806.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 5640593 is about 2374.9932631483. The cubic root of 5640593 is about 178.0088473488.

Adding to 5640593 its sum of digits (32), we get a square (5640625 = 2375²).

The spelling of 5640593 in words is "five million, six hundred forty thousand, five hundred ninety-three".