14249021 has 2 divisors, whose sum is σ = 14249022. Its totient is φ = 14249020.

The previous prime is 14248999. The next prime is 14249023. The reversal of 14249021 is 12094241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14100025 + 148996 = 3755^2 + 386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14249021 is a prime.

Together with 14249023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14249023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7124510 + 7124511.

It is an arithmetic number, because the mean of its divisors is an integer number (7124511).

Almost surely, 2^14249021 is an apocalyptic number.

It is an amenable number.

14249021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14249021 is an equidigital number, since it uses as much as digits as its factorization.

14249021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 14249021 is about 3774.7875436904. The cubic root of 14249021 is about 242.4348271384.

The spelling of 14249021 in words is "fourteen million, two hundred forty-nine thousand, twenty-one".