361040243 has 2 divisors, whose sum is σ = 361040244. Its totient is φ = 361040242.

The previous prime is 361040213. The next prime is 361040249. The reversal of 361040243 is 342040163.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 361040243 - 2¹² = 361036147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (361040249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180520121 + 180520122.

It is an arithmetic number, because the mean of its divisors is an integer number (180520122).

Almost surely, 2^361040243 is an apocalyptic number.

361040243 is a deficient number, since it is larger than the sum of its proper divisors (1).

361040243 is an equidigital number, since it uses as much as digits as its factorization.

361040243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 361040243 is about 19001.0589968033. The cubic root of 361040243 is about 712.0631933506.

The spelling of 361040243 in words is "three hundred sixty-one million, forty thousand, two hundred forty-three".