345246211 has 2 divisors, whose sum is σ = 345246212. Its totient is φ = 345246210.

The previous prime is 345246197. The next prime is 345246221. The reversal of 345246211 is 112642543.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345246211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345246211.

It is not a weakly prime, because it can be changed into another prime (345246221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172623105 + 172623106.

It is an arithmetic number, because the mean of its divisors is an integer number (172623106).

Almost surely, 2^345246211 is an apocalyptic number.

345246211 is a deficient number, since it is larger than the sum of its proper divisors (1).

345246211 is an equidigital number, since it uses as much as digits as its factorization.

345246211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 345246211 is about 18580.8022162661. The cubic root of 345246211 is about 701.5247112193.

Adding to 345246211 its reverse (112642543), we get a palindrome (457888754).

The spelling of 345246211 in words is "three hundred forty-five million, two hundred forty-six thousand, two hundred eleven".