350221325 has 6 divisors (see below), whose sum is σ = 434274474. Its totient is φ = 280177040.

The previous prime is 350221309. The next prime is 350221327. The reversal of 350221325 is 523122053.

It can be written as a sum of positive squares in 3 ways, for example, as 1054729 + 349166596 = 1027^2 + 18686^2 .

It is not a de Polignac number, because 350221325 - 2⁴ = 350221309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 350221325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350221327) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7004402 + ... + 7004451.

It is an arithmetic number, because the mean of its divisors is an integer number (72379079).

Almost surely, 2^350221325 is an apocalyptic number.

It is an amenable number.

350221325 is a deficient number, since it is larger than the sum of its proper divisors (84053149).

350221325 is a wasteful number, since it uses less digits than its factorization.

350221325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14008863 (or 14008858 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 350221325 is about 18714.2011584786. The cubic root of 350221325 is about 704.8783888956.

Adding to 350221325 its reverse (523122053), we get a palindrome (873343378).

The spelling of 350221325 in words is "three hundred fifty million, two hundred twenty-one thousand, three hundred twenty-five".