353314021 has 2 divisors, whose sum is σ = 353314022. Its totient is φ = 353314020.

The previous prime is 353314001. The next prime is 353314057. The reversal of 353314021 is 120413353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341140900 + 12173121 = 18470^2 + 3489^2 .

It is an emirp because it is prime and its reverse (120413353) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353314021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 353313983 and 353314001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353314001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176657010 + 176657011.

It is an arithmetic number, because the mean of its divisors is an integer number (176657011).

Almost surely, 2^353314021 is an apocalyptic number.

It is an amenable number.

353314021 is a deficient number, since it is larger than the sum of its proper divisors (1).

353314021 is an equidigital number, since it uses as much as digits as its factorization.

353314021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 353314021 is about 18796.6491960668. The cubic root of 353314021 is about 706.9471654302.

Adding to 353314021 its reverse (120413353), we get a palindrome (473727374).

The spelling of 353314021 in words is "three hundred fifty-three million, three hundred fourteen thousand, twenty-one".