4520641 has 4 divisors (see below), whose sum is σ = 4584384. Its totient is φ = 4456900.

The previous prime is 4520629. The next prime is 4520647. The reversal of 4520641 is 1460254.

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.

It is a cyclic number.

It is not a de Polignac number, because 4520641 - 2⁵ = 4520609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31765 + ... + 31906.

It is an arithmetic number, because the mean of its divisors is an integer number (1146096).

Almost surely, 2^4520641 is an apocalyptic number.

It is an amenable number.

4520641 is a deficient number, since it is larger than the sum of its proper divisors (63743).

4520641 is an equidigital number, since it uses as much as digits as its factorization.

4520641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63742.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4520641 is about 2126.1799077218. The cubic root of 4520641 is about 165.3484036984.

Adding to 4520641 its reverse (1460254), we get a palindrome (5980895).

The spelling of 4520641 in words is "four million, five hundred twenty thousand, six hundred forty-one".