349567901 has 2 divisors, whose sum is σ = 349567902. Its totient is φ = 349567900.

The previous prime is 349567859. The next prime is 349567919. The reversal of 349567901 is 109765943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230736100 + 118831801 = 15190^2 + 10901^2 .

It is a cyclic number.

It is not a de Polignac number, because 349567901 - 2⁶ = 349567837 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349567201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174783950 + 174783951.

It is an arithmetic number, because the mean of its divisors is an integer number (174783951).

Almost surely, 2^349567901 is an apocalyptic number.

It is an amenable number.

349567901 is a deficient number, since it is larger than the sum of its proper divisors (1).

349567901 is an equidigital number, since it uses as much as digits as its factorization.

349567901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 349567901 is about 18696.7350358291. The cubic root of 349567901 is about 704.4397413269.

The spelling of 349567901 in words is "three hundred forty-nine million, five hundred sixty-seven thousand, nine hundred one".