2506440513 has 8 divisors (see below), whose sum is σ = 3342292000. Its totient is φ = 1670774688.

The previous prime is 2506440491. The next prime is 2506440523. The reversal of 2506440513 is 3150446052.

2506440513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2506440513 - 2⁵ = 2506440481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506440523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11068 + ... + 71661.

It is an arithmetic number, because the mean of its divisors is an integer number (417786500).

Almost surely, 2^2506440513 is an apocalyptic number.

It is an amenable number.

2506440513 is a deficient number, since it is larger than the sum of its proper divisors (835851487).

2506440513 is a wasteful number, since it uses less digits than its factorization.

2506440513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92831.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2506440513 is about 50064.3637031372. The cubic root of 2506440513 is about 1358.3732916830.

Adding to 2506440513 its reverse (3150446052), we get a palindrome (5656886565).

The spelling of 2506440513 in words is "two billion, five hundred six million, four hundred forty thousand, five hundred thirteen".