345517411 has 2 divisors, whose sum is σ = 345517412. Its totient is φ = 345517410.

The previous prime is 345517399. The next prime is 345517483. The reversal of 345517411 is 114715543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345517411 - 2⁵ = 345517379 is a prime.

It is not a weakly prime, because it can be changed into another prime (345517111) 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, 172758705 + 172758706.

It is an arithmetic number, because the mean of its divisors is an integer number (172758706).

Almost surely, 2^345517411 is an apocalyptic number.

345517411 is a deficient number, since it is larger than the sum of its proper divisors (1).

345517411 is an equidigital number, since it uses as much as digits as its factorization.

345517411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 31.

The square root of 345517411 is about 18588.0986386451. The cubic root of 345517411 is about 701.7083518609.

The spelling of 345517411 in words is "three hundred forty-five million, five hundred seventeen thousand, four hundred eleven".