349075249 has 2 divisors, whose sum is σ = 349075250. Its totient is φ = 349075248.

The previous prime is 349075231. The next prime is 349075267. The reversal of 349075249 is 942570943.

It is a balanced prime because it is at equal distance from previous prime (349075231) and next prime (349075267).

It can be written as a sum of positive squares in only one way, i.e., 250430625 + 98644624 = 15825^2 + 9932^2 .

It is a cyclic number.

It is not a de Polignac number, because 349075249 - 2¹¹ = 349073201 is a prime.

It is not a weakly prime, because it can be changed into another prime (349075289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174537624 + 174537625.

It is an arithmetic number, because the mean of its divisors is an integer number (174537625).

Almost surely, 2^349075249 is an apocalyptic number.

It is an amenable number.

349075249 is a deficient number, since it is larger than the sum of its proper divisors (1).

349075249 is an equidigital number, since it uses as much as digits as its factorization.

349075249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 349075249 is about 18683.5555770308. Note that the first 4 decimals coincide. The cubic root of 349075249 is about 704.1086594343.

The spelling of 349075249 in words is "three hundred forty-nine million, seventy-five thousand, two hundred forty-nine".