441531263 has 2 divisors, whose sum is σ = 441531264. Its totient is φ = 441531262.

The previous prime is 441531247. The next prime is 441531271. The reversal of 441531263 is 362135144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 441531263 - 2⁴ = 441531247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441531283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220765631 + 220765632.

It is an arithmetic number, because the mean of its divisors is an integer number (220765632).

Almost surely, 2^441531263 is an apocalyptic number.

441531263 is a deficient number, since it is larger than the sum of its proper divisors (1).

441531263 is an equidigital number, since it uses as much as digits as its factorization.

441531263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 441531263 is about 21012.6453118116. The cubic root of 441531263 is about 761.4717918636.

The spelling of 441531263 in words is "four hundred forty-one million, five hundred thirty-one thousand, two hundred sixty-three".