4249831 has 2 divisors, whose sum is σ = 4249832. Its totient is φ = 4249830.

The previous prime is 4249823. The next prime is 4249853. The reversal of 4249831 is 1389424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4249831 - 2³ = 4249823 is a prime.

It is a super-2 number, since 2×4249831² = 36122127057122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4249793 and 4249802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4246831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124915 + 2124916.

It is an arithmetic number, because the mean of its divisors is an integer number (2124916).

Almost surely, 2^4249831 is an apocalyptic number.

4249831 is a deficient number, since it is larger than the sum of its proper divisors (1).

4249831 is an equidigital number, since it uses as much as digits as its factorization.

4249831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 4249831 is about 2061.5118238807. The cubic root of 4249831 is about 161.9784429986.

It can be divided in two parts, 42 and 49831, that multiplied together give a palindrome (2092902).

The spelling of 4249831 in words is "four million, two hundred forty-nine thousand, eight hundred thirty-one".