4936565 has 4 divisors (see below), whose sum is σ = 5923884. Its totient is φ = 3949248.

The previous prime is 4936549. The next prime is 4936567. The reversal of 4936565 is 5656394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5656394 = 2 ⋅2828197.

It can be written as a sum of positive squares in 2 ways, for example, as 3713329 + 1223236 = 1927^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 4936565 - 2⁴ = 4936549 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4936567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493652 + ... + 493661.

It is an arithmetic number, because the mean of its divisors is an integer number (1480971).

Almost surely, 2^4936565 is an apocalyptic number.

It is an amenable number.

4936565 is a deficient number, since it is larger than the sum of its proper divisors (987319).

4936565 is an equidigital number, since it uses as much as digits as its factorization.

4936565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987318.

The product of its digits is 97200, while the sum is 38.

The square root of 4936565 is about 2221.8382029302. The cubic root of 4936565 is about 170.2713659042.

The spelling of 4936565 in words is "four million, nine hundred thirty-six thousand, five hundred sixty-five".