354340565 has 4 divisors (see below), whose sum is σ = 425208684. Its totient is φ = 283472448.

The previous prime is 354340559. The next prime is 354340577. The reversal of 354340565 is 565043453.

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

It can be written as a sum of positive squares in 2 ways, for example, as 155925169 + 198415396 = 12487^2 + 14086^2 .

It is a cyclic number.

It is not a de Polignac number, because 354340565 - 2⁶ = 354340501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35434052 + ... + 35434061.

It is an arithmetic number, because the mean of its divisors is an integer number (106302171).

Almost surely, 2^354340565 is an apocalyptic number.

It is an amenable number.

354340565 is a deficient number, since it is larger than the sum of its proper divisors (70868119).

354340565 is an equidigital number, since it uses as much as digits as its factorization.

354340565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70868118.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 354340565 is about 18823.9359593046. The cubic root of 354340565 is about 707.6311751350.

The spelling of 354340565 in words is "three hundred fifty-four million, three hundred forty thousand, five hundred sixty-five".