441247231 has 2 divisors, whose sum is σ = 441247232. Its totient is φ = 441247230.

The previous prime is 441247229. The next prime is 441247307. The reversal of 441247231 is 132742144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441247231 - 2¹ = 441247229 is a prime.

It is a super-2 number, since 2×441247231² = 389398237730334722, which contains 22 as substring.

Together with 441247229, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 441247231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441247531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220623615 + 220623616.

It is an arithmetic number, because the mean of its divisors is an integer number (220623616).

Almost surely, 2^441247231 is an apocalyptic number.

441247231 is a deficient number, since it is larger than the sum of its proper divisors (1).

441247231 is an equidigital number, since it uses as much as digits as its factorization.

441247231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 441247231 is about 21005.8856276045. The cubic root of 441247231 is about 761.3084748138.

Adding to 441247231 its reverse (132742144), we get a palindrome (573989375).

The spelling of 441247231 in words is "four hundred forty-one million, two hundred forty-seven thousand, two hundred thirty-one".