350216081 has 2 divisors, whose sum is σ = 350216082. Its totient is φ = 350216080.

The previous prime is 350216077. The next prime is 350216107. The reversal of 350216081 is 180612053.

It is an a-pointer prime, because the next prime (350216107) can be obtained adding 350216081 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340033600 + 10182481 = 18440^2 + 3191^2 .

It is a cyclic number.

It is not a de Polignac number, because 350216081 - 2² = 350216077 is a prime.

It is a super-2 number, since 2×350216081² = 245302606781997122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 350216081.

It is not a weakly prime, because it can be changed into another prime (350216011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175108040 + 175108041.

It is an arithmetic number, because the mean of its divisors is an integer number (175108041).

Almost surely, 2^350216081 is an apocalyptic number.

It is an amenable number.

350216081 is a deficient number, since it is larger than the sum of its proper divisors (1).

350216081 is an equidigital number, since it uses as much as digits as its factorization.

350216081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 350216081 is about 18714.0610504508. The cubic root of 350216081 is about 704.8748707387.

The spelling of 350216081 in words is "three hundred fifty million, two hundred sixteen thousand, eighty-one".