41644231 has 2 divisors, whose sum is σ = 41644232. Its totient is φ = 41644230.

The previous prime is 41644199. The next prime is 41644259. The reversal of 41644231 is 13244614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41644231 - 2⁵ = 41644199 is a prime.

It is a super-2 number, since 2×41644231² = 3468483951162722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41644196 and 41644205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41644931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20822115 + 20822116.

It is an arithmetic number, because the mean of its divisors is an integer number (20822116).

Almost surely, 2^41644231 is an apocalyptic number.

41644231 is a deficient number, since it is larger than the sum of its proper divisors (1).

41644231 is an equidigital number, since it uses as much as digits as its factorization.

41644231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 41644231 is about 6453.2341504086. The cubic root of 41644231 is about 346.6184019139.

Adding to 41644231 its reverse (13244614), we get a palindrome (54888845).

The spelling of 41644231 in words is "forty-one million, six hundred forty-four thousand, two hundred thirty-one".