354135343 has 2 divisors, whose sum is σ = 354135344. Its totient is φ = 354135342.

The previous prime is 354135307. The next prime is 354135349. The reversal of 354135343 is 343531453.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354135343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354135349) 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 as a sum of consecutive naturals, namely, 177067671 + 177067672.

It is an arithmetic number, because the mean of its divisors is an integer number (177067672).

Almost surely, 2^354135343 is an apocalyptic number.

354135343 is a deficient number, since it is larger than the sum of its proper divisors (1).

354135343 is an equidigital number, since it uses as much as digits as its factorization.

354135343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 31.

The square root of 354135343 is about 18818.4840781610. The cubic root of 354135343 is about 707.4945367856.

Adding to 354135343 its reverse (343531453), we get a palindrome (697666796).

The spelling of 354135343 in words is "three hundred fifty-four million, one hundred thirty-five thousand, three hundred forty-three".