545300009 has 2 divisors, whose sum is σ = 545300010. Its totient is φ = 545300008.

The previous prime is 545299991. The next prime is 545300017. The reversal of 545300009 is 900003545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531072025 + 14227984 = 23045^2 + 3772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545300009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (545300029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272650004 + 272650005.

It is an arithmetic number, because the mean of its divisors is an integer number (272650005).

Almost surely, 2^545300009 is an apocalyptic number.

It is an amenable number.

545300009 is a deficient number, since it is larger than the sum of its proper divisors (1).

545300009 is an equidigital number, since it uses as much as digits as its factorization.

545300009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 545300009 is about 23351.6596626450. The cubic root of 545300009 is about 816.9807712655.

The spelling of 545300009 in words is "five hundred forty-five million, three hundred thousand, nine".