350612321 has 2 divisors, whose sum is σ = 350612322. Its totient is φ = 350612320.

The previous prime is 350612293. The next prime is 350612351. The reversal of 350612321 is 123216053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220195921 + 130416400 = 14839^2 + 11420^2 .

It is a cyclic number.

It is not a de Polignac number, because 350612321 - 2¹⁴ = 350595937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (350612351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175306160 + 175306161.

It is an arithmetic number, because the mean of its divisors is an integer number (175306161).

Almost surely, 2^350612321 is an apocalyptic number.

It is an amenable number.

350612321 is a deficient number, since it is larger than the sum of its proper divisors (1).

350612321 is an equidigital number, since it uses as much as digits as its factorization.

350612321 is an evil number, because the sum of its binary digits is even.

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

The square root of 350612321 is about 18724.6447496341. The cubic root of 350612321 is about 705.1406060618.

Adding to 350612321 its reverse (123216053), we get a palindrome (473828374).

The spelling of 350612321 in words is "three hundred fifty million, six hundred twelve thousand, three hundred twenty-one".