349051273 has 2 divisors, whose sum is σ = 349051274. Its totient is φ = 349051272.

The previous prime is 349051249. The next prime is 349051277. The reversal of 349051273 is 372150943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303177744 + 45873529 = 17412^2 + 6773^2 .

It is a cyclic number.

It is not a de Polignac number, because 349051273 - 2⁹ = 349050761 is a prime.

It is equal to p_18755044 and since 349051273 and 18755044 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (349051277) 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, 174525636 + 174525637.

It is an arithmetic number, because the mean of its divisors is an integer number (174525637).

Almost surely, 2^349051273 is an apocalyptic number.

It is an amenable number.

349051273 is a deficient number, since it is larger than the sum of its proper divisors (1).

349051273 is an equidigital number, since it uses as much as digits as its factorization.

349051273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 349051273 is about 18682.9139322537. The cubic root of 349051273 is about 704.0925386545.

The spelling of 349051273 in words is "three hundred forty-nine million, fifty-one thousand, two hundred seventy-three".