4521012605 has 8 divisors (see below), whose sum is σ = 5426131032. Its totient is φ = 3616199488.

The previous prime is 4521012599. The next prime is 4521012637. The reversal of 4521012605 is 5062101254.

It can be written as a sum of positive squares in 4 ways, for example, as 63313849 + 4457698756 = 7957^2 + 66766^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4521012605 - 2⁶ = 4521012541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42374 + ... + 104103.

It is an arithmetic number, because the mean of its divisors is an integer number (678266379).

Almost surely, 2^4521012605 is an apocalyptic number.

It is an amenable number.

4521012605 is a deficient number, since it is larger than the sum of its proper divisors (905118427).

4521012605 is a wasteful number, since it uses less digits than its factorization.

4521012605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152655.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 4521012605 is about 67238.4756296572. The cubic root of 4521012605 is about 1653.5293422183.

Adding to 4521012605 its reverse (5062101254), we get a palindrome (9583113859).

The spelling of 4521012605 in words is "four billion, five hundred twenty-one million, twelve thousand, six hundred five".