14395021 has 2 divisors, whose sum is σ = 14395022. Its totient is φ = 14395020.

The previous prime is 14395013. The next prime is 14395057. The reversal of 14395021 is 12059341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13060996 + 1334025 = 3614^2 + 1155^2 .

It is a cyclic number.

It is not a de Polignac number, because 14395021 - 2³ = 14395013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14395061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7197510 + 7197511.

It is an arithmetic number, because the mean of its divisors is an integer number (7197511).

Almost surely, 2^14395021 is an apocalyptic number.

It is an amenable number.

14395021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14395021 is an equidigital number, since it uses as much as digits as its factorization.

14395021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 14395021 is about 3794.0770946305. The cubic root of 14395021 is about 243.2600365130.

The spelling of 14395021 in words is "fourteen million, three hundred ninety-five thousand, twenty-one".