343540465 has 4 divisors (see below), whose sum is σ = 412248564. Its totient is φ = 274832368.

The previous prime is 343540441. The next prime is 343540469. The reversal of 343540465 is 564045343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564045343 = 19 ⋅29686597.

It can be written as a sum of positive squares in 2 ways, for example, as 39526369 + 304014096 = 6287^2 + 17436^2 .

It is a cyclic number.

It is not a de Polignac number, because 343540465 - 2⁵ = 343540433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343540465.

It is not an unprimeable number, because it can be changed into a prime (343540469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34354042 + ... + 34354051.

It is an arithmetic number, because the mean of its divisors is an integer number (103062141).

Almost surely, 2^343540465 is an apocalyptic number.

It is an amenable number.

343540465 is a deficient number, since it is larger than the sum of its proper divisors (68708099).

343540465 is an equidigital number, since it uses as much as digits as its factorization.

343540465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68708098.

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 343540465 is about 18534.8446176384. The cubic root of 343540465 is about 700.3674703252.

The spelling of 343540465 in words is "three hundred forty-three million, five hundred forty thousand, four hundred sixty-five".