543870361 has 2 divisors, whose sum is σ = 543870362. Its totient is φ = 543870360.

The previous prime is 543870347. The next prime is 543870461. The reversal of 543870361 is 163078345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543822400 + 47961 = 23320^2 + 219^2 .

It is a cyclic number.

It is not a de Polignac number, because 543870361 - 2⁷ = 543870233 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 543870361.

It is not a weakly prime, because it can be changed into another prime (543870331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271935180 + 271935181.

It is an arithmetic number, because the mean of its divisors is an integer number (271935181).

Almost surely, 2^543870361 is an apocalyptic number.

It is an amenable number.

543870361 is a deficient number, since it is larger than the sum of its proper divisors (1).

543870361 is an equidigital number, since it uses as much as digits as its factorization.

543870361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 543870361 is about 23321.0283006560. The cubic root of 543870361 is about 816.2661694369.

The spelling of 543870361 in words is "five hundred forty-three million, eight hundred seventy thousand, three hundred sixty-one".