2581076013 has 4 divisors (see below), whose sum is σ = 3441434688. Its totient is φ = 1720717340.

The previous prime is 2581076011. The next prime is 2581076059. The reversal of 2581076013 is 3106701852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2581076013 - 2¹ = 2581076011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581076011) 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, 430179333 + ... + 430179338.

It is an arithmetic number, because the mean of its divisors is an integer number (860358672).

Almost surely, 2^2581076013 is an apocalyptic number.

It is an amenable number.

2581076013 is a deficient number, since it is larger than the sum of its proper divisors (860358675).

2581076013 is an equidigital number, since it uses as much as digits as its factorization.

2581076013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860358674.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2581076013 is about 50804.2912852842. The cubic root of 2581076013 is about 1371.7246139069.

Adding to 2581076013 its reverse (3106701852), we get a palindrome (5687777865).

The spelling of 2581076013 in words is "two billion, five hundred eighty-one million, seventy-six thousand, thirteen".