2520442105 has 8 divisors (see below), whose sum is σ = 3043086912. Its totient is φ = 2003982768.

The previous prime is 2520442079. The next prime is 2520442139. The reversal of 2520442105 is 5012440252.

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 2520442105 - 2⁹ = 2520441593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2520442105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545469 + ... + 1547098.

It is an arithmetic number, because the mean of its divisors is an integer number (380385864).

Almost surely, 2^2520442105 is an apocalyptic number.

It is an amenable number.

2520442105 is a deficient number, since it is larger than the sum of its proper divisors (522644807).

2520442105 is a wasteful number, since it uses less digits than its factorization.

2520442105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092735.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2520442105 is about 50204.0048701296. The cubic root of 2520442105 is about 1360.8979985147.

Adding to 2520442105 its reverse (5012440252), we get a palindrome (7532882357).

The spelling of 2520442105 in words is "two billion, five hundred twenty million, four hundred forty-two thousand, one hundred five".