4320520541 has 2 divisors, whose sum is σ = 4320520542. Its totient is φ = 4320520540.

The previous prime is 4320520517. The next prime is 4320520571. The reversal of 4320520541 is 1450250234.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3243302500 + 1077218041 = 56950^2 + 32821^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320520541 - 2²² = 4316326237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4320520541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4320520571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160260270 + 2160260271.

It is an arithmetic number, because the mean of its divisors is an integer number (2160260271).

Almost surely, 2^4320520541 is an apocalyptic number.

It is an amenable number.

4320520541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320520541 is an equidigital number, since it uses as much as digits as its factorization.

4320520541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4320520541 is about 65730.6666708927. Note that the first 4 decimals coincide. The cubic root of 4320520541 is about 1628.7159824066.

Adding to 4320520541 its reverse (1450250234), we get a palindrome (5770770775).

The spelling of 4320520541 in words is "four billion, three hundred twenty million, five hundred twenty thousand, five hundred forty-one".