745233241 has 2 divisors, whose sum is σ = 745233242. Its totient is φ = 745233240.

The previous prime is 745233191. The next prime is 745233259. The reversal of 745233241 is 142332547.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 740057616 + 5175625 = 27204^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 745233241 - 2⁷ = 745233113 is a prime.

It is not a weakly prime, because it can be changed into another prime (745236241) 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, 372616620 + 372616621.

It is an arithmetic number, because the mean of its divisors is an integer number (372616621).

Almost surely, 2^745233241 is an apocalyptic number.

It is an amenable number.

745233241 is a deficient number, since it is larger than the sum of its proper divisors (1).

745233241 is an equidigital number, since it uses as much as digits as its factorization.

745233241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 745233241 is about 27298.9604380826. The cubic root of 745233241 is about 906.6313649720.

Adding to 745233241 its reverse (142332547), we get a palindrome (887565788).

The spelling of 745233241 in words is "seven hundred forty-five million, two hundred thirty-three thousand, two hundred forty-one".