349051249 has 2 divisors, whose sum is σ = 349051250. Its totient is φ = 349051248.

The previous prime is 349051247. The next prime is 349051273. The reversal of 349051249 is 942150943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288320400 + 60730849 = 16980^2 + 7793^2 .

It is a cyclic number.

It is not a de Polignac number, because 349051249 - 2¹ = 349051247 is a prime.

Together with 349051247, 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 (349051247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174525624 + 174525625.

It is an arithmetic number, because the mean of its divisors is an integer number (174525625).

Almost surely, 2^349051249 is an apocalyptic number.

It is an amenable number.

349051249 is a deficient number, since it is larger than the sum of its proper divisors (1).

349051249 is an equidigital number, since it uses as much as digits as its factorization.

349051249 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 349051249 is about 18682.9132899556. The cubic root of 349051249 is about 704.0925225172.

The spelling of 349051249 in words is "three hundred forty-nine million, fifty-one thousand, two hundred forty-nine".