350218481 has 2 divisors, whose sum is σ = 350218482. Its totient is φ = 350218480.

The previous prime is 350218441. The next prime is 350218483. The reversal of 350218481 is 184812053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226653025 + 123565456 = 15055^2 + 11116^2 .

It is a cyclic number.

It is not a de Polignac number, because 350218481 - 2²² = 346024177 is a prime.

It is a super-2 number, since 2×350218481² = 245305968867894722, which contains 22 as substring.

Together with 350218483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (350218483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175109240 + 175109241.

It is an arithmetic number, because the mean of its divisors is an integer number (175109241).

Almost surely, 2^350218481 is an apocalyptic number.

It is an amenable number.

350218481 is a deficient number, since it is larger than the sum of its proper divisors (1).

350218481 is an equidigital number, since it uses as much as digits as its factorization.

350218481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 350218481 is about 18714.1251732481. The cubic root of 350218481 is about 704.8764808835.

The spelling of 350218481 in words is "three hundred fifty million, two hundred eighteen thousand, four hundred eighty-one".