351668333 has 4 divisors (see below), whose sum is σ = 352792188. Its totient is φ = 350544480.

The previous prime is 351668329. The next prime is 351668353. The reversal of 351668333 is 333866153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333866153 = 1493 ⋅223621.

It can be written as a sum of positive squares in 2 ways, for example, as 743044 + 350925289 = 862^2 + 18733^2 .

It is a cyclic number.

It is not a de Polignac number, because 351668333 - 2² = 351668329 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351668353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561458 + ... + 562083.

It is an arithmetic number, because the mean of its divisors is an integer number (88198047).

Almost surely, 2^351668333 is an apocalyptic number.

It is an amenable number.

351668333 is a deficient number, since it is larger than the sum of its proper divisors (1123855).

351668333 is a wasteful number, since it uses less digits than its factorization.

351668333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123854.

The product of its digits is 116640, while the sum is 38.

The square root of 351668333 is about 18752.8220009683. The cubic root of 351668333 is about 705.8478360068.

The spelling of 351668333 in words is "three hundred fifty-one million, six hundred sixty-eight thousand, three hundred thirty-three".