2805530506 has 8 divisors (see below), whose sum is σ = 4208527620. Its totient is φ = 1402687968.

The previous prime is 2805530503. The next prime is 2805530509. The reversal of 2805530506 is 6050355082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2805530503) and next prime (2805530509).

It can be written as a sum of positive squares in 2 ways, for example, as 2694544281 + 110986225 = 51909^2 + 10535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2805530503) 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, 34180 + ... + 82336.

Almost surely, 2^2805530506 is an apocalyptic number.

2805530506 is a deficient number, since it is larger than the sum of its proper divisors (1402997114).

2805530506 is a wasteful number, since it uses less digits than its factorization.

2805530506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77288.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 2805530506 is about 52967.2588114582. The cubic root of 2805530506 is about 1410.3871153432.

Adding to 2805530506 its reverse (6050355082), we get a palindrome (8855885588).

The spelling of 2805530506 in words is "two billion, eight hundred five million, five hundred thirty thousand, five hundred six".