745008241 has 2 divisors, whose sum is σ = 745008242. Its totient is φ = 745008240.

The previous prime is 745008161. The next prime is 745008269. The reversal of 745008241 is 142800547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 740057616 + 4950625 = 27204^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 745008241 - 2⁷ = 745008113 is a prime.

It is not a weakly prime, because it can be changed into another prime (745108241) 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, 372504120 + 372504121.

It is an arithmetic number, because the mean of its divisors is an integer number (372504121).

Almost surely, 2^745008241 is an apocalyptic number.

It is an amenable number.

745008241 is a deficient number, since it is larger than the sum of its proper divisors (1).

745008241 is an equidigital number, since it uses as much as digits as its factorization.

745008241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 745008241 is about 27294.8390909344. The cubic root of 745008241 is about 906.5401127398.

Adding to 745008241 its reverse (142800547), we get a palindrome (887808788).

The spelling of 745008241 in words is "seven hundred forty-five million, eight thousand, two hundred forty-one".