545353247 has 2 divisors, whose sum is σ = 545353248. Its totient is φ = 545353246.

The previous prime is 545353223. The next prime is 545353273. The reversal of 545353247 is 742353545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545353247 - 2¹⁸ = 545091103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545353247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545343247) 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, 272676623 + 272676624.

It is an arithmetic number, because the mean of its divisors is an integer number (272676624).

Almost surely, 2^545353247 is an apocalyptic number.

545353247 is a deficient number, since it is larger than the sum of its proper divisors (1).

545353247 is an equidigital number, since it uses as much as digits as its factorization.

545353247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 38.

The square root of 545353247 is about 23352.7995538008. The cubic root of 545353247 is about 817.0073578577.

The spelling of 545353247 in words is "five hundred forty-five million, three hundred fifty-three thousand, two hundred forty-seven".