2013124265 has 4 divisors (see below), whose sum is σ = 2415749124. Its totient is φ = 1610499408.

The previous prime is 2013124237. The next prime is 2013124279. The reversal of 2013124265 is 5624213102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5624213102 = 2 ⋅2812106551.

It can be written as a sum of positive squares in 2 ways, for example, as 1074069529 + 939054736 = 32773^2 + 30644^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013124265 - 2¹⁰ = 2013123241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201312422 + ... + 201312431.

It is an arithmetic number, because the mean of its divisors is an integer number (603937281).

Almost surely, 2^2013124265 is an apocalyptic number.

It is an amenable number.

2013124265 is a deficient number, since it is larger than the sum of its proper divisors (402624859).

2013124265 is an equidigital number, since it uses as much as digits as its factorization.

2013124265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402624858.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2013124265 is about 44867.8533585016. The cubic root of 2013124265 is about 1262.6709664884.

Adding to 2013124265 its reverse (5624213102), we get a palindrome (7637337367).

The spelling of 2013124265 in words is "two billion, thirteen million, one hundred twenty-four thousand, two hundred sixty-five".