14400431 has 2 divisors, whose sum is σ = 14400432. Its totient is φ = 14400430.

The previous prime is 14400413. The next prime is 14400457. The reversal of 14400431 is 13400441.

Together with previous prime (14400413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (13400441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14400431 - 2¹⁸ = 14138287 is a prime.

It is a super-2 number, since 2×14400431² = 414744825971522, 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 (14400131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7200215 + 7200216.

It is an arithmetic number, because the mean of its divisors is an integer number (7200216).

Almost surely, 2^14400431 is an apocalyptic number.

14400431 is a deficient number, since it is larger than the sum of its proper divisors (1).

14400431 is an equidigital number, since it uses as much as digits as its factorization.

14400431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 14400431 is about 3794.7899810134. The cubic root of 14400431 is about 243.2905070478.

Adding to 14400431 its reverse (13400441), we get a palindrome (27800872).

The spelling of 14400431 in words is "fourteen million, four hundred thousand, four hundred thirty-one".