14265421 has 2 divisors, whose sum is σ = 14265422. Its totient is φ = 14265420.

The previous prime is 14265403. The next prime is 14265437. The reversal of 14265421 is 12456241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7562500 + 6702921 = 2750^2 + 2589^2 .

It is a cyclic number.

It is not a de Polignac number, because 14265421 - 2⁵ = 14265389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14265481) 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, 7132710 + 7132711.

It is an arithmetic number, because the mean of its divisors is an integer number (7132711).

Almost surely, 2^14265421 is an apocalyptic number.

It is an amenable number.

14265421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14265421 is an equidigital number, since it uses as much as digits as its factorization.

14265421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 25.

The square root of 14265421 is about 3776.9592266796. The cubic root of 14265421 is about 242.5278021052.

The spelling of 14265421 in words is "fourteen million, two hundred sixty-five thousand, four hundred twenty-one".