14278361 has 2 divisors, whose sum is σ = 14278362. Its totient is φ = 14278360.

The previous prime is 14278357. The next prime is 14278387. The reversal of 14278361 is 16387241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13366336 + 912025 = 3656^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 14278361 - 2² = 14278357 is a prime.

It is not a weakly prime, because it can be changed into another prime (14278301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7139180 + 7139181.

It is an arithmetic number, because the mean of its divisors is an integer number (7139181).

Almost surely, 2^14278361 is an apocalyptic number.

It is an amenable number.

14278361 is a deficient number, since it is larger than the sum of its proper divisors (1).

14278361 is an equidigital number, since it uses as much as digits as its factorization.

14278361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 14278361 is about 3778.6718566184. The cubic root of 14278361 is about 242.6011113409.

The spelling of 14278361 in words is "fourteen million, two hundred seventy-eight thousand, three hundred sixty-one".