181054963 has 2 divisors, whose sum is σ = 181054964. Its totient is φ = 181054962.

The previous prime is 181054927. The next prime is 181054967. The reversal of 181054963 is 369450181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 181054963 - 2⁹ = 181054451 is a prime.

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

It is not a weakly prime, because it can be changed into another prime (181054967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90527481 + 90527482.

It is an arithmetic number, because the mean of its divisors is an integer number (90527482).

Almost surely, 2^181054963 is an apocalyptic number.

181054963 is a deficient number, since it is larger than the sum of its proper divisors (1).

181054963 is an equidigital number, since it uses as much as digits as its factorization.

181054963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 181054963 is about 13455.6665758334. Note that the first 3 decimals coincide. The cubic root of 181054963 is about 565.7225339901.

The spelling of 181054963 in words is "one hundred eighty-one million, fifty-four thousand, nine hundred sixty-three".