2542305616 has 20 divisors (see below), whose sum is σ = 4926554100. Its totient is φ = 1270936832.

The previous prime is 2542305599. The next prime is 2542305673. The reversal of 2542305616 is 6165032452.

It can be written as a sum of positive squares in 2 ways, for example, as 1196883216 + 1345422400 = 34596^2 + 36680^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 129540 + ... + 147868.

It is an arithmetic number, because the mean of its divisors is an integer number (246327705).

Almost surely, 2^2542305616 is an apocalyptic number.

It is an amenable number.

2542305616 is a deficient number, since it is larger than the sum of its proper divisors (2384248484).

2542305616 is a wasteful number, since it uses less digits than its factorization.

2542305616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27006 (or 27000 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2542305616 is about 50421.2813799887. The cubic root of 2542305616 is about 1364.8216999775.

The spelling of 2542305616 in words is "two billion, five hundred forty-two million, three hundred five thousand, six hundred sixteen".