545543347 has 2 divisors, whose sum is σ = 545543348. Its totient is φ = 545543346.

The previous prime is 545543303. The next prime is 545543353. The reversal of 545543347 is 743345545.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545543347 - 2¹⁵ = 545510579 is a prime.

It is equal to p_28623667 and since 545543347 and 28623667 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (545543377) 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, 272771673 + 272771674.

It is an arithmetic number, because the mean of its divisors is an integer number (272771674).

Almost surely, 2^545543347 is an apocalyptic number.

545543347 is a deficient number, since it is larger than the sum of its proper divisors (1).

545543347 is an equidigital number, since it uses as much as digits as its factorization.

545543347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 40.

The square root of 545543347 is about 23356.8693749826. The cubic root of 545543347 is about 817.1022780198.

The spelling of 545543347 in words is "five hundred forty-five million, five hundred forty-three thousand, three hundred forty-seven".