354061289 has 2 divisors, whose sum is σ = 354061290. Its totient is φ = 354061288.

The previous prime is 354061271. The next prime is 354061291. The reversal of 354061289 is 982160453.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252555664 + 101505625 = 15892^2 + 10075^2 .

It is a cyclic number.

It is not a de Polignac number, because 354061289 - 2⁸ = 354061033 is a prime.

Together with 354061291, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_19009775 and since 354061289 and 19009775 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (354061259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177030644 + 177030645.

It is an arithmetic number, because the mean of its divisors is an integer number (177030645).

Almost surely, 2^354061289 is an apocalyptic number.

It is an amenable number.

354061289 is a deficient number, since it is larger than the sum of its proper divisors (1).

354061289 is an equidigital number, since it uses as much as digits as its factorization.

354061289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 354061289 is about 18816.5163885348. The cubic root of 354061289 is about 707.4452181151.

The spelling of 354061289 in words is "three hundred fifty-four million, sixty-one thousand, two hundred eighty-nine".