353342217 has 4 divisors (see below), whose sum is σ = 471122960. Its totient is φ = 235561476.

The previous prime is 353342179. The next prime is 353342219. The reversal of 353342217 is 712243353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712243353 = 3 ⋅237414451.

It is not a de Polignac number, because 353342217 - 2⁷ = 353342089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353342219) 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, 58890367 + ... + 58890372.

It is an arithmetic number, because the mean of its divisors is an integer number (117780740).

Almost surely, 2^353342217 is an apocalyptic number.

It is an amenable number.

353342217 is a deficient number, since it is larger than the sum of its proper divisors (117780743).

353342217 is a wasteful number, since it uses less digits than its factorization.

353342217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117780742.

The product of its digits is 15120, while the sum is 30.

The square root of 353342217 is about 18797.3992084011. The cubic root of 353342217 is about 706.9659707525.

The spelling of 353342217 in words is "three hundred fifty-three million, three hundred forty-two thousand, two hundred seventeen".