545325047 has 2 divisors, whose sum is σ = 545325048. Its totient is φ = 545325046.

The previous prime is 545325041. The next prime is 545325049. The reversal of 545325047 is 740523545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545325047 is a prime.

Together with 545325049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 545324998 and 545325016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545325041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272662523 + 272662524.

It is an arithmetic number, because the mean of its divisors is an integer number (272662524).

Almost surely, 2^545325047 is an apocalyptic number.

545325047 is a deficient number, since it is larger than the sum of its proper divisors (1).

545325047 is an equidigital number, since it uses as much as digits as its factorization.

545325047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 35.

The square root of 545325047 is about 23352.1957639962. The cubic root of 545325047 is about 816.9932752396.

The spelling of 545325047 in words is "five hundred forty-five million, three hundred twenty-five thousand, forty-seven".