1005252530 has 16 divisors (see below), whose sum is σ = 1818033984. Its totient is φ = 400194480.

The previous prime is 1005252529. The next prime is 1005252541. The reversal of 1005252530 is 352525001.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1005252496 and 1005252505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236102 + ... + 240321.

It is an arithmetic number, because the mean of its divisors is an integer number (113627124).

Almost surely, 2^1005252530 is an apocalyptic number.

1005252530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005252530 is a deficient number, since it is larger than the sum of its proper divisors (812781454).

1005252530 is a wasteful number, since it uses less digits than its factorization.

1005252530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476641.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1005252530 is about 31705.7176231670. The cubic root of 1005252530 is about 1001.7477867950.

Adding to 1005252530 its reverse (352525001), we get a palindrome (1357777531).

The spelling of 1005252530 in words is "one billion, five million, two hundred fifty-two thousand, five hundred thirty".