545313047 has 2 divisors, whose sum is σ = 545313048. Its totient is φ = 545313046.

The previous prime is 545313023. The next prime is 545313059. The reversal of 545313047 is 740313545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545313047 - 2¹⁴ = 545296663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545313007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272656523 + 272656524.

It is an arithmetic number, because the mean of its divisors is an integer number (272656524).

Almost surely, 2^545313047 is an apocalyptic number.

545313047 is a deficient number, since it is larger than the sum of its proper divisors (1).

545313047 is an equidigital number, since it uses as much as digits as its factorization.

545313047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 545313047 is about 23351.9388274293. The cubic root of 545313047 is about 816.9872824888.

The spelling of 545313047 in words is "five hundred forty-five million, three hundred thirteen thousand, forty-seven".