354311329 has 2 divisors, whose sum is σ = 354311330. Its totient is φ = 354311328.

The previous prime is 354311327. The next prime is 354311407. The reversal of 354311329 is 923113453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348195600 + 6115729 = 18660^2 + 2473^2 .

It is a cyclic number.

It is not a de Polignac number, because 354311329 - 2¹ = 354311327 is a prime.

Together with 354311327, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 354311329.

It is not a weakly prime, because it can be changed into another prime (354311327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177155664 + 177155665.

It is an arithmetic number, because the mean of its divisors is an integer number (177155665).

Almost surely, 2^354311329 is an apocalyptic number.

It is an amenable number.

354311329 is a deficient number, since it is larger than the sum of its proper divisors (1).

354311329 is an equidigital number, since it uses as much as digits as its factorization.

354311329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 354311329 is about 18823.1593788078. The cubic root of 354311329 is about 707.6117128097.

The spelling of 354311329 in words is "three hundred fifty-four million, three hundred eleven thousand, three hundred twenty-nine".