1005254447 has 2 divisors, whose sum is σ = 1005254448. Its totient is φ = 1005254446.

The previous prime is 1005254363. The next prime is 1005254477. The reversal of 1005254447 is 7444525001.

It is a strong prime.

It is an emirp because it is prime and its reverse (7444525001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005254447 - 2¹⁶ = 1005188911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005254477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502627223 + 502627224.

It is an arithmetic number, because the mean of its divisors is an integer number (502627224).

Almost surely, 2^1005254447 is an apocalyptic number.

1005254447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005254447 is an equidigital number, since it uses as much as digits as its factorization.

1005254447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 1005254447 is about 31705.7478542929. The cubic root of 1005254447 is about 1001.7484235667.

Adding to 1005254447 its reverse (7444525001), we get a palindrome (8449779448).

The spelling of 1005254447 in words is "one billion, five million, two hundred fifty-four thousand, four hundred forty-seven".