5640193 has 4 divisors (see below), whose sum is σ = 6074068. Its totient is φ = 5206320.

The previous prime is 5640163. The next prime is 5640211. The reversal of 5640193 is 3910465.

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 294849 + 5345344 = 543^2 + 2312^2 .

It is a cyclic number.

It is not a de Polignac number, because 5640193 - 2¹³ = 5632001 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5640163) 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, 216918 + ... + 216943.

It is an arithmetic number, because the mean of its divisors is an integer number (1518517).

It is a Proth number, since it is equal to 1377 ⋅ 2¹² + 1 and 1377 < 2¹².

Almost surely, 2^5640193 is an apocalyptic number.

It is an amenable number.

5640193 is a deficient number, since it is larger than the sum of its proper divisors (433875).

5640193 is a wasteful number, since it uses less digits than its factorization.

5640193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433874.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 5640193 is about 2374.9090508902. The cubic root of 5640193 is about 178.0046394448.

The spelling of 5640193 in words is "five million, six hundred forty thousand, one hundred ninety-three".