349741481 has 2 divisors, whose sum is σ = 349741482. Its totient is φ = 349741480.

The previous prime is 349741463. The next prime is 349741507. The reversal of 349741481 is 184147943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190578025 + 159163456 = 13805^2 + 12616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349741481 is a prime.

It is a super-2 number, since 2×349741481² = 244638207064146722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (349741681) 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, 174870740 + 174870741.

It is an arithmetic number, because the mean of its divisors is an integer number (174870741).

Almost surely, 2^349741481 is an apocalyptic number.

It is an amenable number.

349741481 is a deficient number, since it is larger than the sum of its proper divisors (1).

349741481 is an equidigital number, since it uses as much as digits as its factorization.

349741481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 349741481 is about 18701.3764466683. The cubic root of 349741481 is about 704.5563199338.

The spelling of 349741481 in words is "three hundred forty-nine million, seven hundred forty-one thousand, four hundred eighty-one".