545871659 has 2 divisors, whose sum is σ = 545871660. Its totient is φ = 545871658.

The previous prime is 545871631. The next prime is 545871721. The reversal of 545871659 is 956178545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545871659 is a prime.

It is a super-3 number, since 3×545871659³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (545870659) 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, 272935829 + 272935830.

It is an arithmetic number, because the mean of its divisors is an integer number (272935830).

Almost surely, 2^545871659 is an apocalyptic number.

545871659 is a deficient number, since it is larger than the sum of its proper divisors (1).

545871659 is an equidigital number, since it uses as much as digits as its factorization.

545871659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 50.

The square root of 545871659 is about 23363.8964858176. The cubic root of 545871659 is about 817.2661578704.

The spelling of 545871659 in words is "five hundred forty-five million, eight hundred seventy-one thousand, six hundred fifty-nine".