2013242461 has 4 divisors (see below), whose sum is σ = 2013604252. Its totient is φ = 2012880672.

The previous prime is 2013242449. The next prime is 2013242467. The reversal of 2013242461 is 1642423102.

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: 1642423102 = 2 ⋅821211551.

It can be written as a sum of positive squares in 2 ways, for example, as 1703130361 + 310112100 = 41269^2 + 17610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013242461 - 2¹¹ = 2013240413 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 (2013242467) 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, 172416 + ... + 183721.

It is an arithmetic number, because the mean of its divisors is an integer number (503401063).

Almost surely, 2^2013242461 is an apocalyptic number.

It is an amenable number.

2013242461 is a deficient number, since it is larger than the sum of its proper divisors (361791).

2013242461 is an equidigital number, since it uses as much as digits as its factorization.

2013242461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361790.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2013242461 is about 44869.1704960098. The cubic root of 2013242461 is about 1262.6956776201.

Adding to 2013242461 its reverse (1642423102), we get a palindrome (3655665563).

The spelling of 2013242461 in words is "two billion, thirteen million, two hundred forty-two thousand, four hundred sixty-one".