545445001 has 2 divisors, whose sum is σ = 545445002. Its totient is φ = 545445000.

The previous prime is 545444971. The next prime is 545445007. The reversal of 545445001 is 100544545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 534719376 + 10725625 = 23124^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 545445001 - 2⁷ = 545444873 is a prime.

It is not a weakly prime, because it can be changed into another prime (545445007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272722500 + 272722501.

It is an arithmetic number, because the mean of its divisors is an integer number (272722501).

Almost surely, 2^545445001 is an apocalyptic number.

It is an amenable number.

545445001 is a deficient number, since it is larger than the sum of its proper divisors (1).

545445001 is an equidigital number, since it uses as much as digits as its factorization.

545445001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 545445001 is about 23354.7639893877. The cubic root of 545445001 is about 817.0531749434.

Adding to 545445001 its reverse (100544545), we get a palindrome (645989546).

The spelling of 545445001 in words is "five hundred forty-five million, four hundred forty-five thousand, one".