2520724105 has 8 divisors (see below), whose sum is σ = 3036640392. Its totient is φ = 2008731648.

The previous prime is 2520724103. The next prime is 2520724121. The reversal of 2520724105 is 5014270252.

2520724105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1255072329 + 1265651776 = 35427^2 + 35576^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2520724105 - 2¹ = 2520724103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520724103) 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, 979542 + ... + 982111.

It is an arithmetic number, because the mean of its divisors is an integer number (379580049).

Almost surely, 2^2520724105 is an apocalyptic number.

It is an amenable number.

2520724105 is a deficient number, since it is larger than the sum of its proper divisors (515916287).

2520724105 is a wasteful number, since it uses less digits than its factorization.

2520724105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961915.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 2520724105 is about 50206.8133324552. The cubic root of 2520724105 is about 1360.9487513731.

Adding to 2520724105 its reverse (5014270252), we get a palindrome (7534994357).

The spelling of 2520724105 in words is "two billion, five hundred twenty million, seven hundred twenty-four thousand, one hundred five".