351242329 has 2 divisors, whose sum is σ = 351242330. Its totient is φ = 351242328.

The previous prime is 351242299. The next prime is 351242351. The reversal of 351242329 is 923242153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331422025 + 19820304 = 18205^2 + 4452^2 .

It is an emirp because it is prime and its reverse (923242153) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351242329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 351242329.

It is not a weakly prime, because it can be changed into another prime (351242029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175621164 + 175621165.

It is an arithmetic number, because the mean of its divisors is an integer number (175621165).

Almost surely, 2^351242329 is an apocalyptic number.

It is an amenable number.

351242329 is a deficient number, since it is larger than the sum of its proper divisors (1).

351242329 is an equidigital number, since it uses as much as digits as its factorization.

351242329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 351242329 is about 18741.4601618977. The cubic root of 351242329 is about 705.5627041810.

The spelling of 351242329 in words is "three hundred fifty-one million, two hundred forty-two thousand, three hundred twenty-nine".