14891249 has 2 divisors, whose sum is σ = 14891250. Its totient is φ = 14891248.

The previous prime is 14891221. The next prime is 14891257. The reversal of 14891249 is 94219841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14684224 + 207025 = 3832^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 14891249 - 2¹² = 14887153 is a prime.

It is a super-3 number, since 3×14891249³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14801249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7445624 + 7445625.

It is an arithmetic number, because the mean of its divisors is an integer number (7445625).

Almost surely, 2^14891249 is an apocalyptic number.

It is an amenable number.

14891249 is a deficient number, since it is larger than the sum of its proper divisors (1).

14891249 is an equidigital number, since it uses as much as digits as its factorization.

14891249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 14891249 is about 3858.9181126321. The cubic root of 14891249 is about 246.0237545087.

The spelling of 14891249 in words is "fourteen million, eight hundred ninety-one thousand, two hundred forty-nine".