346522129 has 2 divisors, whose sum is σ = 346522130. Its totient is φ = 346522128.

The previous prime is 346522093. The next prime is 346522139. The reversal of 346522129 is 921225643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305305729 + 41216400 = 17473^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 346522129 - 2²⁷ = 212304401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346522094 and 346522103.

It is not a weakly prime, because it can be changed into another prime (346522139) 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, 173261064 + 173261065.

It is an arithmetic number, because the mean of its divisors is an integer number (173261065).

Almost surely, 2^346522129 is an apocalyptic number.

It is an amenable number.

346522129 is a deficient number, since it is larger than the sum of its proper divisors (1).

346522129 is an equidigital number, since it uses as much as digits as its factorization.

346522129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 346522129 is about 18615.1048613753. The cubic root of 346522129 is about 702.3878513830.

The spelling of 346522129 in words is "three hundred forty-six million, five hundred twenty-two thousand, one hundred twenty-nine".