1005230563 has 4 divisors (see below), whose sum is σ = 1005671248. Its totient is φ = 1004789880.

The previous prime is 1005230543. The next prime is 1005230593. The reversal of 1005230563 is 3650325001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1005230563 - 2⁵ = 1005230531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005230503) 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 in 3 ways as a sum of consecutive naturals, for example, 216903 + ... + 221488.

It is an arithmetic number, because the mean of its divisors is an integer number (251417812).

Almost surely, 2^1005230563 is an apocalyptic number.

1005230563 is a deficient number, since it is larger than the sum of its proper divisors (440685).

1005230563 is an equidigital number, since it uses as much as digits as its factorization.

1005230563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440684.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1005230563 is about 31705.3712011072. The cubic root of 1005230563 is about 1001.7404899373.

Adding to 1005230563 its reverse (3650325001), we get a palindrome (4655555564).

The spelling of 1005230563 in words is "one billion, five million, two hundred thirty thousand, five hundred sixty-three".