345211241 has 2 divisors, whose sum is σ = 345211242. Its totient is φ = 345211240.

The previous prime is 345211213. The next prime is 345211283. The reversal of 345211241 is 142112543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338560000 + 6651241 = 18400^2 + 2579^2 .

It is an emirp because it is prime and its reverse (142112543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345211241 - 2¹⁸ = 344949097 is a prime.

It is not a weakly prime, because it can be changed into another prime (345211201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172605620 + 172605621.

It is an arithmetic number, because the mean of its divisors is an integer number (172605621).

Almost surely, 2^345211241 is an apocalyptic number.

It is an amenable number.

345211241 is a deficient number, since it is larger than the sum of its proper divisors (1).

345211241 is an equidigital number, since it uses as much as digits as its factorization.

345211241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 345211241 is about 18579.8611674038. The cubic root of 345211241 is about 701.5010245993.

Adding to 345211241 its reverse (142112543), we get a palindrome (487323784).

The spelling of 345211241 in words is "three hundred forty-five million, two hundred eleven thousand, two hundred forty-one".