918330053 has 2 divisors, whose sum is σ = 918330054. Its totient is φ = 918330052.

The previous prime is 918330031. The next prime is 918330071. The reversal of 918330053 is 350033819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 902822209 + 15507844 = 30047^2 + 3938^2 .

It is a cyclic number.

It is not a de Polignac number, because 918330053 - 2⁶ = 918329989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918330253) 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, 459165026 + 459165027.

It is an arithmetic number, because the mean of its divisors is an integer number (459165027).

Almost surely, 2^918330053 is an apocalyptic number.

It is an amenable number.

918330053 is a deficient number, since it is larger than the sum of its proper divisors (1).

918330053 is an equidigital number, since it uses as much as digits as its factorization.

918330053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 918330053 is about 30303.9610117225. The cubic root of 918330053 is about 972.0000017641. Note that the first 5 decimals are identical.

The spelling of 918330053 in words is "nine hundred eighteen million, three hundred thirty thousand, fifty-three".