4144631 has 2 divisors, whose sum is σ = 4144632. Its totient is φ = 4144630.

The previous prime is 4144589. The next prime is 4144633. The reversal of 4144631 is 1364414.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4144631 is a prime.

It is a super-2 number, since 2×4144631² = 34355932252322, which contains 22 as substring.

Together with 4144633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4144597 and 4144606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4144633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072315 + 2072316.

It is an arithmetic number, because the mean of its divisors is an integer number (2072316).

Almost surely, 2^4144631 is an apocalyptic number.

4144631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4144631 is an equidigital number, since it uses as much as digits as its factorization.

4144631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 4144631 is about 2035.8366830372. The cubic root of 4144631 is about 160.6307265290.

The spelling of 4144631 in words is "four million, one hundred forty-four thousand, six hundred thirty-one".