354982349 has 2 divisors, whose sum is σ = 354982350. Its totient is φ = 354982348.

The previous prime is 354982343. The next prime is 354982351. The reversal of 354982349 is 943289453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354568900 + 413449 = 18830^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 354982349 - 2⁸ = 354982093 is a prime.

Together with 354982351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354982343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177491174 + 177491175.

It is an arithmetic number, because the mean of its divisors is an integer number (177491175).

Almost surely, 2^354982349 is an apocalyptic number.

It is an amenable number.

354982349 is a deficient number, since it is larger than the sum of its proper divisors (1).

354982349 is an equidigital number, since it uses as much as digits as its factorization.

354982349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The square root of 354982349 is about 18840.9752666894. The cubic root of 354982349 is about 708.0581395700.

The spelling of 354982349 in words is "three hundred fifty-four million, nine hundred eighty-two thousand, three hundred forty-nine".