545736361 has 2 divisors, whose sum is σ = 545736362. Its totient is φ = 545736360.

The previous prime is 545736343. The next prime is 545736377. The reversal of 545736361 is 163637545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487305625 + 58430736 = 22075^2 + 7644^2 .

It is a cyclic number.

It is not a de Polignac number, because 545736361 - 2⁹ = 545735849 is a prime.

It is not a weakly prime, because it can be changed into another prime (545736391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272868180 + 272868181.

It is an arithmetic number, because the mean of its divisors is an integer number (272868181).

Almost surely, 2^545736361 is an apocalyptic number.

It is an amenable number.

545736361 is a deficient number, since it is larger than the sum of its proper divisors (1).

545736361 is an equidigital number, since it uses as much as digits as its factorization.

545736361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 40.

The square root of 545736361 is about 23361.0008561277. Note that the first 3 decimals coincide. The cubic root of 545736361 is about 817.1986306342.

Subtracting from 545736361 its sum of digits (40), we obtain a square (545736321 = 23361²).

The spelling of 545736361 in words is "five hundred forty-five million, seven hundred thirty-six thousand, three hundred sixty-one".