2516223065 has 8 divisors (see below), whose sum is σ = 3024182088. Its totient is φ = 2009835520.

The previous prime is 2516223053. The next prime is 2516223107. The reversal of 2516223065 is 5603226152.

2516223065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 803835904 + 1712387161 = 28352^2 + 41381^2 .

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

It is not a de Polignac number, because 2516223065 - 2⁴ = 2516223049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389342 + ... + 395751.

It is an arithmetic number, because the mean of its divisors is an integer number (378022761).

Almost surely, 2^2516223065 is an apocalyptic number.

It is an amenable number.

2516223065 is a deficient number, since it is larger than the sum of its proper divisors (507959023).

2516223065 is an equidigital number, since it uses as much as digits as its factorization.

2516223065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785739.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2516223065 is about 50161.9683126570. The cubic root of 2516223065 is about 1360.1382257503.

The spelling of 2516223065 in words is "two billion, five hundred sixteen million, two hundred twenty-three thousand, sixty-five".