545047361 has 2 divisors, whose sum is σ = 545047362. Its totient is φ = 545047360.

The previous prime is 545047343. The next prime is 545047367. The reversal of 545047361 is 163740545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527574961 + 17472400 = 22969^2 + 4180^2 .

It is a cyclic number.

It is not a de Polignac number, because 545047361 - 2²² = 540853057 is a prime.

It is not a weakly prime, because it can be changed into another prime (545047367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272523680 + 272523681.

It is an arithmetic number, because the mean of its divisors is an integer number (272523681).

Almost surely, 2^545047361 is an apocalyptic number.

It is an amenable number.

545047361 is a deficient number, since it is larger than the sum of its proper divisors (1).

545047361 is an equidigital number, since it uses as much as digits as its factorization.

545047361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 545047361 is about 23346.2493989934. The cubic root of 545047361 is about 816.8545774637.

The spelling of 545047361 in words is "five hundred forty-five million, forty-seven thousand, three hundred sixty-one".