349577141 has 2 divisors, whose sum is σ = 349577142. Its totient is φ = 349577140.

The previous prime is 349577101. The next prime is 349577149. The reversal of 349577141 is 141775943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253733041 + 95844100 = 15929^2 + 9790^2 .

It is an emirp because it is prime and its reverse (141775943) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349577141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349577149) 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, 174788570 + 174788571.

It is an arithmetic number, because the mean of its divisors is an integer number (174788571).

Almost surely, 2^349577141 is an apocalyptic number.

It is an amenable number.

349577141 is a deficient number, since it is larger than the sum of its proper divisors (1).

349577141 is an equidigital number, since it uses as much as digits as its factorization.

349577141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 349577141 is about 18696.9821361630. The cubic root of 349577141 is about 704.4459480046.

The spelling of 349577141 in words is "three hundred forty-nine million, five hundred seventy-seven thousand, one hundred forty-one".