14353981 has 2 divisors, whose sum is σ = 14353982. Its totient is φ = 14353980.

The previous prime is 14353973. The next prime is 14353993. The reversal of 14353981 is 18935341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13616100 + 737881 = 3690^2 + 859^2 .

It is an emirp because it is prime and its reverse (18935341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14353981 - 2³ = 14353973 is a prime.

It is a super-2 number, since 2×14353981² = 412073541096722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14353931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7176990 + 7176991.

It is an arithmetic number, because the mean of its divisors is an integer number (7176991).

Almost surely, 2^14353981 is an apocalyptic number.

It is an amenable number.

14353981 is a deficient number, since it is larger than the sum of its proper divisors (1).

14353981 is an equidigital number, since it uses as much as digits as its factorization.

14353981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 14353981 is about 3788.6648043869. The cubic root of 14353981 is about 243.0286395030.

The spelling of 14353981 in words is "fourteen million, three hundred fifty-three thousand, nine hundred eighty-one".