545325520231 has 2 divisors, whose sum is σ = 545325520232. Its totient is φ = 545325520230.

The previous prime is 545325520219. The next prime is 545325520309. The reversal of 545325520231 is 132025523545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545325520231 - 2⁹ = 545325519719 is a prime.

It is a super-2 number, since 2×545325520231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545325520331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272662760115 + 272662760116.

It is an arithmetic number, because the mean of its divisors is an integer number (272662760116).

Almost surely, 2^545325520231 is an apocalyptic number.

545325520231 is a deficient number, since it is larger than the sum of its proper divisors (1).

545325520231 is an equidigital number, since it uses as much as digits as its factorization.

545325520231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 545325520231 in words is "five hundred forty-five billion, three hundred twenty-five million, five hundred twenty thousand, two hundred thirty-one".