355402349 has 2 divisors, whose sum is σ = 355402350. Its totient is φ = 355402348.

The previous prime is 355402301. The next prime is 355402351. The reversal of 355402349 is 943204553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355134025 + 268324 = 18845^2 + 518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355402349 is a prime.

Together with 355402351, 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 (355402379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177701174 + 177701175.

It is an arithmetic number, because the mean of its divisors is an integer number (177701175).

Almost surely, 2^355402349 is an apocalyptic number.

It is an amenable number.

355402349 is a deficient number, since it is larger than the sum of its proper divisors (1).

355402349 is an equidigital number, since it uses as much as digits as its factorization.

355402349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 355402349 is about 18852.1178916322. The cubic root of 355402349 is about 708.3372775913.

The spelling of 355402349 in words is "three hundred fifty-five million, four hundred two thousand, three hundred forty-nine".