346861601 has 2 divisors, whose sum is σ = 346861602. Its totient is φ = 346861600.

The previous prime is 346861589. The next prime is 346861633. The reversal of 346861601 is 106168643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341362576 + 5499025 = 18476^2 + 2345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346861601 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (346861651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173430800 + 173430801.

It is an arithmetic number, because the mean of its divisors is an integer number (173430801).

Almost surely, 2^346861601 is an apocalyptic number.

It is an amenable number.

346861601 is a deficient number, since it is larger than the sum of its proper divisors (1).

346861601 is an equidigital number, since it uses as much as digits as its factorization.

346861601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 346861601 is about 18624.2208159160. The cubic root of 346861601 is about 702.6171423554.

The spelling of 346861601 in words is "three hundred forty-six million, eight hundred sixty-one thousand, six hundred one".