345454349 has 2 divisors, whose sum is σ = 345454350. Its totient is φ = 345454348.

The previous prime is 345454313. The next prime is 345454387. The reversal of 345454349 is 943454543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224850025 + 120604324 = 14995^2 + 10982^2 .

It is an emirp because it is prime and its reverse (943454543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345454349 - 2²⁰ = 344405773 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345454649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172727174 + 172727175.

It is an arithmetic number, because the mean of its divisors is an integer number (172727175).

Almost surely, 2^345454349 is an apocalyptic number.

It is an amenable number.

345454349 is a deficient number, since it is larger than the sum of its proper divisors (1).

345454349 is an equidigital number, since it uses as much as digits as its factorization.

345454349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 41.

The square root of 345454349 is about 18586.4022607927. The cubic root of 345454349 is about 701.6656585714.

The spelling of 345454349 in words is "three hundred forty-five million, four hundred fifty-four thousand, three hundred forty-nine".