14661001 has 2 divisors, whose sum is σ = 14661002. Its totient is φ = 14661000.

The previous prime is 14660999. The next prime is 14661011. The reversal of 14661001 is 10016641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14622976 + 38025 = 3824^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 14661001 - 2¹ = 14660999 is a prime.

Together with 14660999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14661001.

It is not a weakly prime, because it can be changed into another prime (14661011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7330500 + 7330501.

It is an arithmetic number, because the mean of its divisors is an integer number (7330501).

Almost surely, 2^14661001 is an apocalyptic number.

It is an amenable number.

14661001 is a deficient number, since it is larger than the sum of its proper divisors (1).

14661001 is an equidigital number, since it uses as much as digits as its factorization.

14661001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 14661001 is about 3828.9686600963. The cubic root of 14661001 is about 244.7491587873.

Adding to 14661001 its reverse (10016641), we get a palindrome (24677642).

The spelling of 14661001 in words is "fourteen million, six hundred sixty-one thousand, one".