345263471 has 4 divisors (see below), whose sum is σ = 394586832. Its totient is φ = 295940112.

The previous prime is 345263467. The next prime is 345263509. The reversal of 345263471 is 174362543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345263471 - 2² = 345263467 is a prime.

It is a super-3 number, since 3×345263471³ (a number of 27 digits) contains 333 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 (345263411) 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, 24661670 + ... + 24661683.

It is an arithmetic number, because the mean of its divisors is an integer number (98646708).

Almost surely, 2^345263471 is an apocalyptic number.

345263471 is a deficient number, since it is larger than the sum of its proper divisors (49323361).

345263471 is an equidigital number, since it uses as much as digits as its factorization.

345263471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49323360.

The product of its digits is 60480, while the sum is 35.

The square root of 345263471 is about 18581.2666683410. The cubic root of 345263471 is about 701.5364015381.

The spelling of 345263471 in words is "three hundred forty-five million, two hundred sixty-three thousand, four hundred seventy-one".