345432961 has 2 divisors, whose sum is σ = 345432962. Its totient is φ = 345432960.

The previous prime is 345432887. The next prime is 345433001. The reversal of 345432961 is 169234543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325585936 + 19847025 = 18044^2 + 4455^2 .

It is an emirp because it is prime and its reverse (169234543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345432961 - 2⁹ = 345432449 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 345432961.

It is not a weakly prime, because it can be changed into another prime (345432361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172716480 + 172716481.

It is an arithmetic number, because the mean of its divisors is an integer number (172716481).

Almost surely, 2^345432961 is an apocalyptic number.

It is an amenable number.

345432961 is a deficient number, since it is larger than the sum of its proper divisors (1).

345432961 is an equidigital number, since it uses as much as digits as its factorization.

345432961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 345432961 is about 18585.8268850218. The cubic root of 345432961 is about 701.6511776085.

The spelling of 345432961 in words is "three hundred forty-five million, four hundred thirty-two thousand, nine hundred sixty-one".