346291961 has 2 divisors, whose sum is σ = 346291962. Its totient is φ = 346291960.

The previous prime is 346291949. The next prime is 346291973. The reversal of 346291961 is 169192643.

It is a balanced prime because it is at equal distance from previous prime (346291949) and next prime (346291973).

It can be written as a sum of positive squares in only one way, i.e., 341695225 + 4596736 = 18485^2 + 2144^2 .

It is an emirp because it is prime and its reverse (169192643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346291961 - 2¹⁰ = 346290937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346291901) 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, 173145980 + 173145981.

It is an arithmetic number, because the mean of its divisors is an integer number (173145981).

Almost surely, 2^346291961 is an apocalyptic number.

It is an amenable number.

346291961 is a deficient number, since it is larger than the sum of its proper divisors (1).

346291961 is an equidigital number, since it uses as much as digits as its factorization.

346291961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 346291961 is about 18608.9215431739. The cubic root of 346291961 is about 702.2323028614.

The spelling of 346291961 in words is "three hundred forty-six million, two hundred ninety-one thousand, nine hundred sixty-one".