14409457 has 2 divisors, whose sum is σ = 14409458. Its totient is φ = 14409456.

The previous prime is 14409413. The next prime is 14409463. The reversal of 14409457 is 75490441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 2187441 = 3496^2 + 1479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14409457 is a prime.

It is not a weakly prime, because it can be changed into another prime (14409487) 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, 7204728 + 7204729.

It is an arithmetic number, because the mean of its divisors is an integer number (7204729).

Almost surely, 2^14409457 is an apocalyptic number.

It is an amenable number.

14409457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14409457 is an equidigital number, since it uses as much as digits as its factorization.

14409457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 14409457 is about 3795.9790568442. The cubic root of 14409457 is about 243.3413268574.

Adding to 14409457 its reverse (75490441), we get a palindrome (89899898).

The spelling of 14409457 in words is "fourteen million, four hundred nine thousand, four hundred fifty-seven".