745236241 has 2 divisors, whose sum is σ = 745236242. Its totient is φ = 745236240.

The previous prime is 745236227. The next prime is 745236313. The reversal of 745236241 is 142632547.

745236241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506070016 + 239166225 = 22496^2 + 15465^2 .

It is an emirp because it is prime and its reverse (142632547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745236241 - 2²³ = 736847633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745236197 and 745236206.

It is not a weakly prime, because it can be changed into another prime (745236641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372618120 + 372618121.

It is an arithmetic number, because the mean of its divisors is an integer number (372618121).

Almost surely, 2^745236241 is an apocalyptic number.

It is an amenable number.

745236241 is a deficient number, since it is larger than the sum of its proper divisors (1).

745236241 is an equidigital number, since it uses as much as digits as its factorization.

745236241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

The square root of 745236241 is about 27299.0153851746. The cubic root of 745236241 is about 906.6325815443.

Adding to 745236241 its reverse (142632547), we get a palindrome (887868788).

The spelling of 745236241 in words is "seven hundred forty-five million, two hundred thirty-six thousand, two hundred forty-one".