545044001 has 2 divisors, whose sum is σ = 545044002. Its totient is φ = 545044000.

The previous prime is 545043979. The next prime is 545044039. The reversal of 545044001 is 100440545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352500625 + 192543376 = 18775^2 + 13876^2 .

It is a cyclic number.

It is not a de Polignac number, because 545044001 - 2¹⁴ = 545027617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (545044091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272522000 + 272522001.

It is an arithmetic number, because the mean of its divisors is an integer number (272522001).

Almost surely, 2^545044001 is an apocalyptic number.

It is an amenable number.

545044001 is a deficient number, since it is larger than the sum of its proper divisors (1).

545044001 is an equidigital number, since it uses as much as digits as its factorization.

545044001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 545044001 is about 23346.1774387157. The cubic root of 545044001 is about 816.8528989325.

Adding to 545044001 its reverse (100440545), we get a palindrome (645484546).

The spelling of 545044001 in words is "five hundred forty-five million, forty-four thousand, one".