1005441287 has 2 divisors, whose sum is σ = 1005441288. Its totient is φ = 1005441286.

The previous prime is 1005441233. The next prime is 1005441299. The reversal of 1005441287 is 7821445001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1005441287 - 2¹⁶ = 1005375751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005440287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502720643 + 502720644.

It is an arithmetic number, because the mean of its divisors is an integer number (502720644).

Almost surely, 2^1005441287 is an apocalyptic number.

1005441287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005441287 is an equidigital number, since it uses as much as digits as its factorization.

1005441287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 1005441287 is about 31708.6941862953. The cubic root of 1005441287 is about 1001.8104825083.

Adding to 1005441287 its reverse (7821445001), we get a palindrome (8826886288).

The spelling of 1005441287 in words is "one billion, five million, four hundred forty-one thousand, two hundred eighty-seven".