4263431 has 2 divisors, whose sum is σ = 4263432. Its totient is φ = 4263430.

The previous prime is 4263421. The next prime is 4263433. The reversal of 4263431 is 1343624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4263431 - 2²² = 69127 is a prime.

It is a super-2 number, since 2×4263431² = 36353687783522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4263433, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁸ + 2¹¹ + 6⁴ + 3 + 4¹¹ + 3⁵ + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 4263397 and 4263406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4263433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2131715 + 2131716.

It is an arithmetic number, because the mean of its divisors is an integer number (2131716).

Almost surely, 2^4263431 is an apocalyptic number.

4263431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4263431 is an equidigital number, since it uses as much as digits as its factorization.

4263431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 4263431 is about 2064.8077392338. The cubic root of 4263431 is about 162.1510428920.

The spelling of 4263431 in words is "four million, two hundred sixty-three thousand, four hundred thirty-one".