346450561 has 2 divisors, whose sum is σ = 346450562. Its totient is φ = 346450560.

The previous prime is 346450553. The next prime is 346450571. The reversal of 346450561 is 165054643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340956225 + 5494336 = 18465^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 346450561 - 2³ = 346450553 is a prime.

It is not a weakly prime, because it can be changed into another prime (346450571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173225280 + 173225281.

It is an arithmetic number, because the mean of its divisors is an integer number (173225281).

Almost surely, 2^346450561 is an apocalyptic number.

It is an amenable number.

346450561 is a deficient number, since it is larger than the sum of its proper divisors (1).

346450561 is an equidigital number, since it uses as much as digits as its factorization.

346450561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 346450561 is about 18613.1824522299. The cubic root of 346450561 is about 702.3394928025.

The spelling of 346450561 in words is "three hundred forty-six million, four hundred fifty thousand, five hundred sixty-one".