545345530125497 has 2 divisors, whose sum is σ = 545345530125498. Its totient is φ = 545345530125496.

The previous prime is 545345530125491. The next prime is 545345530125559. The reversal of 545345530125497 is 794521035543545.

It is a happy number.

It is an a-pointer prime, because the next prime (545345530125559) can be obtained adding 545345530125497 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370825155026041 + 174520375099456 = 19256821^2 + 13210616^2 .

It is a cyclic number.

It is not a de Polignac number, because 545345530125497 - 2²⁴ = 545345513348281 is a prime.

It is not a weakly prime, because it can be changed into another prime (545345530125491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272672765062748 + 272672765062749.

It is an arithmetic number, because the mean of its divisors is an integer number (272672765062749).

Almost surely, 2^{545345530125497} is an apocalyptic number.

It is an amenable number.

545345530125497 is a deficient number, since it is larger than the sum of its proper divisors (1).

545345530125497 is an equidigital number, since it uses as much as digits as its factorization.

545345530125497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800000, while the sum is 62.

The spelling of 545345530125497 in words is "five hundred forty-five trillion, three hundred forty-five billion, five hundred thirty million, one hundred twenty-five thousand, four hundred ninety-seven".