3812530505 has 48 divisors (see below), whose sum is σ = 5642551296. Its totient is φ = 2461415040.

The previous prime is 3812530453. The next prime is 3812530507. The reversal of 3812530505 is 5050352183.

It is a de Polignac number, because none of the positive numbers 2^k-3812530505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3812530507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 274232 + ... + 287798.

It is an arithmetic number, because the mean of its divisors is an integer number (117553152).

Almost surely, 2^3812530505 is an apocalyptic number.

3812530505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3812530505 is a deficient number, since it is larger than the sum of its proper divisors (1830020791).

3812530505 is a wasteful number, since it uses less digits than its factorization.

3812530505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654 (or 13647 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 3812530505 is about 61745.6921979177. The cubic root of 3812530505 is about 1562.2041089199.

Adding to 3812530505 its reverse (5050352183), we get a palindrome (8862882688).

The spelling of 3812530505 in words is "three billion, eight hundred twelve million, five hundred thirty thousand, five hundred five".