545490041 has 2 divisors, whose sum is σ = 545490042. Its totient is φ = 545490040.

The previous prime is 545490013. The next prime is 545490059. The reversal of 545490041 is 140094545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529966441 + 15523600 = 23021^2 + 3940^2 .

It is a cyclic number.

It is not a de Polignac number, because 545490041 - 2¹⁰ = 545489017 is a prime.

It is not a weakly prime, because it can be changed into another prime (545492041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272745020 + 272745021.

It is an arithmetic number, because the mean of its divisors is an integer number (272745021).

Almost surely, 2^545490041 is an apocalyptic number.

It is an amenable number.

545490041 is a deficient number, since it is larger than the sum of its proper divisors (1).

545490041 is an equidigital number, since it uses as much as digits as its factorization.

545490041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 545490041 is about 23355.7282267113. The cubic root of 545490041 is about 817.0756636527.

The spelling of 545490041 in words is "five hundred forty-five million, four hundred ninety thousand, forty-one".