14591431 has 4 divisors (see below), whose sum is σ = 14985832. Its totient is φ = 14197032.

The previous prime is 14591417. The next prime is 14591441. The reversal of 14591431 is 13419541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13419541 = 113 ⋅118757.

It is a cyclic number.

It is not a de Polignac number, because 14591431 - 2⁵ = 14591399 is a prime.

It is a super-2 number, since 2×14591431² = 425819717255522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14591431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14591441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197145 + ... + 197218.

It is an arithmetic number, because the mean of its divisors is an integer number (3746458).

Almost surely, 2^14591431 is an apocalyptic number.

14591431 is a deficient number, since it is larger than the sum of its proper divisors (394401).

14591431 is an equidigital number, since it uses as much as digits as its factorization.

14591431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394400.

The product of its digits is 2160, while the sum is 28.

The square root of 14591431 is about 3819.8731654336. The cubic root of 14591431 is about 244.3614134819.

The spelling of 14591431 in words is "fourteen million, five hundred ninety-one thousand, four hundred thirty-one".