14975549 has 2 divisors, whose sum is σ = 14975550. Its totient is φ = 14975548.

The previous prime is 14975509. The next prime is 14975581. The reversal of 14975549 is 94557941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14707225 + 268324 = 3835^2 + 518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14975549 is a prime.

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 (14975509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7487774 + 7487775.

It is an arithmetic number, because the mean of its divisors is an integer number (7487775).

Almost surely, 2^14975549 is an apocalyptic number.

It is an amenable number.

14975549 is a deficient number, since it is larger than the sum of its proper divisors (1).

14975549 is an equidigital number, since it uses as much as digits as its factorization.

14975549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 14975549 is about 3869.8254482599. The cubic root of 14975549 is about 246.4871315526.

The spelling of 14975549 in words is "fourteen million, nine hundred seventy-five thousand, five hundred forty-nine".