545124005021 has 2 divisors, whose sum is σ = 545124005022. Its totient is φ = 545124005020.

The previous prime is 545124005011. The next prime is 545124005087. The reversal of 545124005021 is 120500421545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403587031225 + 141536973796 = 635285^2 + 376214^2 .

It is a cyclic number.

It is not a de Polignac number, because 545124005021 - 2³⁴ = 527944135837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545124005011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272562002510 + 272562002511.

It is an arithmetic number, because the mean of its divisors is an integer number (272562002511).

Almost surely, 2^545124005021 is an apocalyptic number.

It is an amenable number.

545124005021 is a deficient number, since it is larger than the sum of its proper divisors (1).

545124005021 is an equidigital number, since it uses as much as digits as its factorization.

545124005021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 545124005021 its reverse (120500421545), we get a palindrome (665624426566).

The spelling of 545124005021 in words is "five hundred forty-five billion, one hundred twenty-four million, five thousand, twenty-one".