350221613 has 8 divisors (see below), whose sum is σ = 411071232. Its totient is φ = 292076496.

The previous prime is 350221579. The next prime is 350221633. The reversal of 350221613 is 316122053.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350221613 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 (350221633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675845 + ... + 676362.

It is an arithmetic number, because the mean of its divisors is an integer number (51383904).

Almost surely, 2^350221613 is an apocalyptic number.

It is an amenable number.

350221613 is a deficient number, since it is larger than the sum of its proper divisors (60849619).

350221613 is a wasteful number, since it uses less digits than its factorization.

350221613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352251.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 350221613 is about 18714.2088531682. The cubic root of 350221613 is about 704.8785821114.

Adding to 350221613 its reverse (316122053), we get a palindrome (666343666).

The spelling of 350221613 in words is "three hundred fifty million, two hundred twenty-one thousand, six hundred thirteen".