824238241 has 2 divisors, whose sum is σ = 824238242. Its totient is φ = 824238240.

The previous prime is 824238187. The next prime is 824238277. The reversal of 824238241 is 142832428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 740057616 + 84180625 = 27204^2 + 9175^2 .

It is a cyclic number.

It is not a de Polignac number, because 824238241 - 2²³ = 815849633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 824238197 and 824238206.

It is not a weakly prime, because it can be changed into another prime (824238341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412119120 + 412119121.

It is an arithmetic number, because the mean of its divisors is an integer number (412119121).

Almost surely, 2^824238241 is an apocalyptic number.

It is an amenable number.

824238241 is a deficient number, since it is larger than the sum of its proper divisors (1).

824238241 is an equidigital number, since it uses as much as digits as its factorization.

824238241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 34.

The square root of 824238241 is about 28709.5496481571. The cubic root of 824238241 is about 937.5999740733.

The spelling of 824238241 in words is "eight hundred twenty-four million, two hundred thirty-eight thousand, two hundred forty-one".