4545520541 has 4 divisors (see below), whose sum is σ = 4642233792. Its totient is φ = 4448807292.

The previous prime is 4545520531. The next prime is 4545520543. The reversal of 4545520541 is 1450255454.

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 a de Polignac number, because none of the positive numbers 2^k-4545520541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545520543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48356555 + ... + 48356648.

It is an arithmetic number, because the mean of its divisors is an integer number (1160558448).

Almost surely, 2^4545520541 is an apocalyptic number.

It is an amenable number.

4545520541 is a deficient number, since it is larger than the sum of its proper divisors (96713251).

4545520541 is an equidigital number, since it uses as much as digits as its factorization.

4545520541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96713250.

The product of its (nonzero) digits is 80000, while the sum is 35.

The square root of 4545520541 is about 67420.4756806120. The cubic root of 4545520541 is about 1656.5118292583.

Adding to 4545520541 its reverse (1450255454), we get a palindrome (5995775995).

The spelling of 4545520541 in words is "four billion, five hundred forty-five million, five hundred twenty thousand, five hundred forty-one".