4351231 has 2 divisors, whose sum is σ = 4351232. Its totient is φ = 4351230.

The previous prime is 4351219. The next prime is 4351271. The reversal of 4351231 is 1321534.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4351231 - 2⁵ = 4351199 is a prime.

It is a super-2 number, since 2×4351231² = 37866422430722, which contains 22 as substring.

4351231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4351199 and 4351208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4351271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2175615 + 2175616.

It is an arithmetic number, because the mean of its divisors is an integer number (2175616).

Almost surely, 2^4351231 is an apocalyptic number.

4351231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4351231 is an equidigital number, since it uses as much as digits as its factorization.

4351231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 4351231 is about 2085.9604502483. The cubic root of 4351231 is about 163.2565871108.

Adding to 4351231 its reverse (1321534), we get a palindrome (5672765).

The spelling of 4351231 in words is "four million, three hundred fifty-one thousand, two hundred thirty-one".