2516260121 has 8 divisors (see below), whose sum is σ = 2547701184. Its totient is φ = 2484846000.

The previous prime is 2516260069. The next prime is 2516260181. The reversal of 2516260121 is 1210626152.

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 2516260121 - 2²² = 2512065817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2516260181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234371 + ... + 244871.

It is an arithmetic number, because the mean of its divisors is an integer number (318462648).

Almost surely, 2^2516260121 is an apocalyptic number.

It is an amenable number.

2516260121 is a deficient number, since it is larger than the sum of its proper divisors (31441063).

2516260121 is a wasteful number, since it uses less digits than its factorization.

2516260121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13471.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2516260121 is about 50162.3376747934. The cubic root of 2516260121 is about 1360.1449025610.

Adding to 2516260121 its reverse (1210626152), we get a palindrome (3726886273).

The spelling of 2516260121 in words is "two billion, five hundred sixteen million, two hundred sixty thousand, one hundred twenty-one".