14961689 has 2 divisors, whose sum is σ = 14961690. Its totient is φ = 14961688.

The previous prime is 14961673. The next prime is 14961691. The reversal of 14961689 is 98616941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12902464 + 2059225 = 3592^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 14961689 - 2⁴ = 14961673 is a prime.

It is a Sophie Germain prime.

Together with 14961691, 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 (14961619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7480844 + 7480845.

It is an arithmetic number, because the mean of its divisors is an integer number (7480845).

Almost surely, 2^14961689 is an apocalyptic number.

It is an amenable number.

14961689 is a deficient number, since it is larger than the sum of its proper divisors (1).

14961689 is an equidigital number, since it uses as much as digits as its factorization.

14961689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 44.

The square root of 14961689 is about 3868.0342552775. The cubic root of 14961689 is about 246.4110660913.

The spelling of 14961689 in words is "fourteen million, nine hundred sixty-one thousand, six hundred eighty-nine".