14540399 has 2 divisors, whose sum is σ = 14540400. Its totient is φ = 14540398.

The previous prime is 14540329. The next prime is 14540411. The reversal of 14540399 is 99304541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14540399 is a prime.

It is a super-2 number, since 2×14540399² = 422846406158402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14540329) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7270199 + 7270200.

It is an arithmetic number, because the mean of its divisors is an integer number (7270200).

Almost surely, 2^14540399 is an apocalyptic number.

14540399 is a deficient number, since it is larger than the sum of its proper divisors (1).

14540399 is an equidigital number, since it uses as much as digits as its factorization.

14540399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 14540399 is about 3813.1875117807. The cubic root of 14540399 is about 244.0762045862.

The spelling of 14540399 in words is "fourteen million, five hundred forty thousand, three hundred ninety-nine".