14579681 has 2 divisors, whose sum is σ = 14579682. Its totient is φ = 14579680.

The previous prime is 14579657. The next prime is 14579683. The reversal of 14579681 is 18697541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11621281 + 2958400 = 3409^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 14579681 - 2²² = 10385377 is a prime.

It is a super-2 number, since 2×14579681² = 425134196123522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 14579683, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14579683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7289840 + 7289841.

It is an arithmetic number, because the mean of its divisors is an integer number (7289841).

Almost surely, 2^14579681 is an apocalyptic number.

It is an amenable number.

14579681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14579681 is an equidigital number, since it uses as much as digits as its factorization.

14579681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 14579681 is about 3818.3348465005. The cubic root of 14579681 is about 244.2958037949.

It can be divided in two parts, 14579 and 681, that multiplied together give a palindrome (9928299).

The spelling of 14579681 in words is "fourteen million, five hundred seventy-nine thousand, six hundred eighty-one".