14247551 has 2 divisors, whose sum is σ = 14247552. Its totient is φ = 14247550.

The previous prime is 14247521. The next prime is 14247559. The reversal of 14247551 is 15574241.

It is a strong prime.

It is an emirp because it is prime and its reverse (15574241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14247551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14247559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7123775 + 7123776.

It is an arithmetic number, because the mean of its divisors is an integer number (7123776).

Almost surely, 2^14247551 is an apocalyptic number.

14247551 is a deficient number, since it is larger than the sum of its proper divisors (1).

14247551 is an equidigital number, since it uses as much as digits as its factorization.

14247551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 29.

The square root of 14247551 is about 3774.5928257231. The cubic root of 14247551 is about 242.4264899235.

The spelling of 14247551 in words is "fourteen million, two hundred forty-seven thousand, five hundred fifty-one".