14507989 has 2 divisors, whose sum is σ = 14507990. Its totient is φ = 14507988.

The previous prime is 14507951. The next prime is 14508019. The reversal of 14507989 is 98970541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11785489 + 2722500 = 3433^2 + 1650^2 .

It is a cyclic number.

It is not a de Polignac number, because 14507989 - 2²¹ = 12410837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14507939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7253994 + 7253995.

It is an arithmetic number, because the mean of its divisors is an integer number (7253995).

Almost surely, 2^14507989 is an apocalyptic number.

It is an amenable number.

14507989 is a deficient number, since it is larger than the sum of its proper divisors (1).

14507989 is an equidigital number, since it uses as much as digits as its factorization.

14507989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 14507989 is about 3808.9354155722. The cubic root of 14507989 is about 243.8947241356.

The spelling of 14507989 in words is "fourteen million, five hundred seven thousand, nine hundred eighty-nine".