14351881 has 2 divisors, whose sum is σ = 14351882. Its totient is φ = 14351880.

The previous prime is 14351867. The next prime is 14351891. The reversal of 14351881 is 18815341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 4239481 = 3180^2 + 2059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14351881 is a prime.

It is a super-2 number, since 2×14351881² = 411952976476322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14351801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7175940 + 7175941.

It is an arithmetic number, because the mean of its divisors is an integer number (7175941).

Almost surely, 2^14351881 is an apocalyptic number.

It is an amenable number.

14351881 is a deficient number, since it is larger than the sum of its proper divisors (1).

14351881 is an equidigital number, since it uses as much as digits as its factorization.

14351881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 31.

The square root of 14351881 is about 3788.3876517590. The cubic root of 14351881 is about 243.0167871573.

The spelling of 14351881 in words is "fourteen million, three hundred fifty-one thousand, eight hundred eighty-one".