14597981 has 2 divisors, whose sum is σ = 14597982. Its totient is φ = 14597980.

The previous prime is 14597969. The next prime is 14598011. The reversal of 14597981 is 18979541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11792356 + 2805625 = 3434^2 + 1675^2 .

It is a cyclic number.

It is not a de Polignac number, because 14597981 - 2¹⁰ = 14596957 is a prime.

It is a super-2 number, since 2×14597981² = 426202098552722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14593981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7298990 + 7298991.

It is an arithmetic number, because the mean of its divisors is an integer number (7298991).

Almost surely, 2^14597981 is an apocalyptic number.

It is an amenable number.

14597981 is a deficient number, since it is larger than the sum of its proper divisors (1).

14597981 is an equidigital number, since it uses as much as digits as its factorization.

14597981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The square root of 14597981 is about 3820.7304275492. The cubic root of 14597981 is about 244.3979721037.

The spelling of 14597981 in words is "fourteen million, five hundred ninety-seven thousand, nine hundred eighty-one".