545327947 has 2 divisors, whose sum is σ = 545327948. Its totient is φ = 545327946.

The previous prime is 545327933. The next prime is 545327963. The reversal of 545327947 is 749723545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545327947 - 2¹¹ = 545325899 is a prime.

It is equal to p_28612999 and since 545327947 and 28612999 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 545327897 and 545327906.

It is not a weakly prime, because it can be changed into another prime (545328947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272663973 + 272663974.

It is an arithmetic number, because the mean of its divisors is an integer number (272663974).

Almost surely, 2^545327947 is an apocalyptic number.

545327947 is a deficient number, since it is larger than the sum of its proper divisors (1).

545327947 is an equidigital number, since it uses as much as digits as its factorization.

545327947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 46.

The square root of 545327947 is about 23352.2578565757. The cubic root of 545327947 is about 816.9947234745.

The spelling of 545327947 in words is "five hundred forty-five million, three hundred twenty-seven thousand, nine hundred forty-seven".