342509471 has 2 divisors, whose sum is σ = 342509472. Its totient is φ = 342509470.

The previous prime is 342509423. The next prime is 342509509. The reversal of 342509471 is 174905243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342509471 - 2¹⁰ = 342508447 is a prime.

It is a super-3 number, since 3×342509471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342509411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171254735 + 171254736.

It is an arithmetic number, because the mean of its divisors is an integer number (171254736).

Almost surely, 2^342509471 is an apocalyptic number.

342509471 is a deficient number, since it is larger than the sum of its proper divisors (1).

342509471 is an equidigital number, since it uses as much as digits as its factorization.

342509471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 342509471 is about 18507.0114010880. The cubic root of 342509471 is about 699.6661476031. Note that the first 3 decimals are identical.

The spelling of 342509471 in words is "three hundred forty-two million, five hundred nine thousand, four hundred seventy-one".