4536577 has 4 divisors (see below), whose sum is σ = 4543956. Its totient is φ = 4529200.

The previous prime is 4536563. The next prime is 4536583. The reversal of 4536577 is 7756354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7756354 = 2 ⋅3878177.

It can be written as a sum of positive squares in 2 ways, for example, as 3568321 + 968256 = 1889^2 + 984^2 .

It is a cyclic number.

It is not a de Polignac number, because 4536577 - 2⁷ = 4536449 is a prime.

It is a Duffinian number.

4536577 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4536517) 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, 2674 + ... + 4027.

It is an arithmetic number, because the mean of its divisors is an integer number (1135989).

Almost surely, 2^4536577 is an apocalyptic number.

It is an amenable number.

4536577 is a deficient number, since it is larger than the sum of its proper divisors (7379).

4536577 is an equidigital number, since it uses as much as digits as its factorization.

4536577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378.

The product of its digits is 88200, while the sum is 37.

The square root of 4536577 is about 2129.9241770542. The cubic root of 4536577 is about 165.5424692414.

The spelling of 4536577 in words is "four million, five hundred thirty-six thousand, five hundred seventy-seven".