445005241 has 2 divisors, whose sum is σ = 445005242. Its totient is φ = 445005240.

The previous prime is 445005229. The next prime is 445005263. The reversal of 445005241 is 142500544.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441840400 + 3164841 = 21020^2 + 1779^2 .

It is a cyclic number.

It is not a de Polignac number, because 445005241 - 2²⁷ = 310787513 is a prime.

It is not a weakly prime, because it can be changed into another prime (445005221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222502620 + 222502621.

It is an arithmetic number, because the mean of its divisors is an integer number (222502621).

Almost surely, 2^445005241 is an apocalyptic number.

It is an amenable number.

445005241 is a deficient number, since it is larger than the sum of its proper divisors (1).

445005241 is an equidigital number, since it uses as much as digits as its factorization.

445005241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 445005241 is about 21095.1473329768. The cubic root of 445005241 is about 763.4636693640.

Adding to 445005241 its reverse (142500544), we get a palindrome (587505785).

The spelling of 445005241 in words is "four hundred forty-five million, five thousand, two hundred forty-one".