349201549 has 2 divisors, whose sum is σ = 349201550. Its totient is φ = 349201548.

The previous prime is 349201537. The next prime is 349201553. The reversal of 349201549 is 945102943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231587524 + 117614025 = 15218^2 + 10845^2 .

It is a cyclic number.

It is not a de Polignac number, because 349201549 - 2⁷ = 349201421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349201519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174600774 + 174600775.

It is an arithmetic number, because the mean of its divisors is an integer number (174600775).

Almost surely, 2^349201549 is an apocalyptic number.

It is an amenable number.

349201549 is a deficient number, since it is larger than the sum of its proper divisors (1).

349201549 is an equidigital number, since it uses as much as digits as its factorization.

349201549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 349201549 is about 18686.9352489915. The cubic root of 349201549 is about 704.1935677751.

The spelling of 349201549 in words is "three hundred forty-nine million, two hundred one thousand, five hundred forty-nine".