14320381 has 2 divisors, whose sum is σ = 14320382. Its totient is φ = 14320380.

The previous prime is 14320373. The next prime is 14320447. The reversal of 14320381 is 18302341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11868025 + 2452356 = 3445^2 + 1566^2 .

It is a cyclic number.

It is not a de Polignac number, because 14320381 - 2³ = 14320373 is a prime.

It is a super-2 number, since 2×14320381² = 410146623970322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14320301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160190 + 7160191.

It is an arithmetic number, because the mean of its divisors is an integer number (7160191).

Almost surely, 2^14320381 is an apocalyptic number.

It is an amenable number.

14320381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14320381 is an equidigital number, since it uses as much as digits as its factorization.

14320381 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 22.

The square root of 14320381 is about 3784.2279265393. The cubic root of 14320381 is about 242.8388630664.

The spelling of 14320381 in words is "fourteen million, three hundred twenty thousand, three hundred eighty-one".