743241641 has 2 divisors, whose sum is σ = 743241642. Its totient is φ = 743241640.

The previous prime is 743241637. The next prime is 743241643. The reversal of 743241641 is 146142347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548918041 + 194323600 = 23429^2 + 13940^2 .

It is a cyclic number.

It is not a de Polignac number, because 743241641 - 2² = 743241637 is a prime.

Together with 743241643, 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 = 743241598 and 743241607.

It is not a weakly prime, because it can be changed into another prime (743241643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371620820 + 371620821.

It is an arithmetic number, because the mean of its divisors is an integer number (371620821).

Almost surely, 2^743241641 is an apocalyptic number.

It is an amenable number.

743241641 is a deficient number, since it is larger than the sum of its proper divisors (1).

743241641 is an equidigital number, since it uses as much as digits as its factorization.

743241641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 743241641 is about 27262.4584548056. The cubic root of 743241641 is about 905.8230015313.

Adding to 743241641 its reverse (146142347), we get a palindrome (889383988).

The spelling of 743241641 in words is "seven hundred forty-three million, two hundred forty-one thousand, six hundred forty-one".