1005243630 has 32 divisors (see below), whose sum is σ = 2416807584. Its totient is φ = 267595776.

The previous prime is 1005243619. The next prime is 1005243649. The reversal of 1005243630 is 363425001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1005243630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11727 + ... + 46346.

It is an arithmetic number, because the mean of its divisors is an integer number (75525237).

Almost surely, 2^1005243630 is an apocalyptic number.

1005243630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005243630 is an abundant number, since it is smaller than the sum of its proper divisors (1411563954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005243630 is a wasteful number, since it uses less digits than its factorization.

1005243630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58660.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1005243630 is about 31705.5772696225. The cubic root of 1005243630 is about 1001.7448304626.

Adding to 1005243630 its reverse (363425001), we get a palindrome (1368668631).

The spelling of 1005243630 in words is "one billion, five million, two hundred forty-three thousand, six hundred thirty".