345085271 has 4 divisors (see below), whose sum is σ = 345124752. Its totient is φ = 345045792.

The previous prime is 345085259. The next prime is 345085313. The reversal of 345085271 is 172580543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 345085271 - 2¹⁰ = 345084247 is a prime.

It is a super-2 number, since 2×345085271² = 238167688522286882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345085231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146 + ... + 26271.

It is an arithmetic number, because the mean of its divisors is an integer number (86281188).

Almost surely, 2^345085271 is an apocalyptic number.

345085271 is a deficient number, since it is larger than the sum of its proper divisors (39481).

345085271 is a wasteful number, since it uses less digits than its factorization.

345085271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39480.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 345085271 is about 18576.4708973475. The cubic root of 345085271 is about 701.4156866723.

The spelling of 345085271 in words is "three hundred forty-five million, eighty-five thousand, two hundred seventy-one".