345214271 has 2 divisors, whose sum is σ = 345214272. Its totient is φ = 345214270.

The previous prime is 345214267. The next prime is 345214343. The reversal of 345214271 is 172412543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345214271 - 2² = 345214267 is a prime.

It is a super-2 number, since 2×345214271² = 238345785804122882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345214871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172607135 + 172607136.

It is an arithmetic number, because the mean of its divisors is an integer number (172607136).

Almost surely, 2^345214271 is an apocalyptic number.

345214271 is a deficient number, since it is larger than the sum of its proper divisors (1).

345214271 is an equidigital number, since it uses as much as digits as its factorization.

345214271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 345214271 is about 18579.9427071237. The cubic root of 345214271 is about 701.5030770062.

The spelling of 345214271 in words is "three hundred forty-five million, two hundred fourteen thousand, two hundred seventy-one".