2010215513 has 4 divisors (see below), whose sum is σ = 2064545700. Its totient is φ = 1955885328.

The previous prime is 2010215509. The next prime is 2010215549. The reversal of 2010215513 is 3155120102.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1156816144 + 853399369 = 34012^2 + 29213^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010215513 - 2² = 2010215509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010215113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27165038 + ... + 27165111.

It is an arithmetic number, because the mean of its divisors is an integer number (516136425).

Almost surely, 2^2010215513 is an apocalyptic number.

It is an amenable number.

2010215513 is a deficient number, since it is larger than the sum of its proper divisors (54330187).

2010215513 is an equidigital number, since it uses as much as digits as its factorization.

2010215513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54330186.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2010215513 is about 44835.4269858111. The cubic root of 2010215513 is about 1262.0625312784.

Adding to 2010215513 its reverse (3155120102), we get a palindrome (5165335615).

The spelling of 2010215513 in words is "two billion, ten million, two hundred fifteen thousand, five hundred thirteen".