353285409 has 4 divisors (see below), whose sum is σ = 471047216. Its totient is φ = 235523604.

The previous prime is 353285369. The next prime is 353285467. The reversal of 353285409 is 904582353.

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: 904582353 = 3 ⋅301527451.

It is not a de Polignac number, because 353285409 - 2¹¹ = 353283361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353285209) 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, 58880899 + ... + 58880904.

It is an arithmetic number, because the mean of its divisors is an integer number (117761804).

Almost surely, 2^353285409 is an apocalyptic number.

It is an amenable number.

353285409 is a deficient number, since it is larger than the sum of its proper divisors (117761807).

353285409 is a wasteful number, since it uses less digits than its factorization.

353285409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117761806.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 353285409 is about 18795.8880875579. Note that the first 3 decimals coincide. The cubic root of 353285409 is about 706.9280816340.

The spelling of 353285409 in words is "three hundred fifty-three million, two hundred eighty-five thousand, four hundred nine".