4561313215 has 4 divisors (see below), whose sum is σ = 5473575864. Its totient is φ = 3649050568.

The previous prime is 4561313213. The next prime is 4561313243. The reversal of 4561313215 is 5123131654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4561313215 - 2¹ = 4561313213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561313213) 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, 456131317 + ... + 456131326.

It is an arithmetic number, because the mean of its divisors is an integer number (1368393966).

Almost surely, 2^4561313215 is an apocalyptic number.

4561313215 is a deficient number, since it is larger than the sum of its proper divisors (912262649).

4561313215 is an equidigital number, since it uses as much as digits as its factorization.

4561313215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912262648.

The product of its digits is 10800, while the sum is 31.

The square root of 4561313215 is about 67537.4948824725. The cubic root of 4561313215 is about 1658.4280390235.

Adding to 4561313215 its reverse (5123131654), we get a palindrome (9684444869).

The spelling of 4561313215 in words is "four billion, five hundred sixty-one million, three hundred thirteen thousand, two hundred fifteen".