2516771345 has 32 divisors (see below), whose sum is σ = 3341758464. Its totient is φ = 1804420800.

The previous prime is 2516771249. The next prime is 2516771357. The reversal of 2516771345 is 5431776152.

It is not a de Polignac number, because 2516771345 - 2¹⁶ = 2516705809 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1173344 + ... + 1175486.

It is an arithmetic number, because the mean of its divisors is an integer number (104429952).

Almost surely, 2^2516771345 is an apocalyptic number.

It is an amenable number.

2516771345 is a deficient number, since it is larger than the sum of its proper divisors (824987119).

2516771345 is a wasteful number, since it uses less digits than its factorization.

2516771345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453.

The product of its digits is 176400, while the sum is 41.

The square root of 2516771345 is about 50167.4331115316. The cubic root of 2516771345 is about 1360.2370090469.

The spelling of 2516771345 in words is "two billion, five hundred sixteen million, seven hundred seventy-one thousand, three hundred forty-five".