2516284565 has 16 divisors (see below), whose sum is σ = 3053991600. Its totient is φ = 1990152192.

The previous prime is 2516284559. The next prime is 2516284577. The reversal of 2516284565 is 5654826152.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 491464561 + 2024820004 = 22169^2 + 44998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516284565 - 2¹⁶ = 2516219029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225641 + ... + 236529.

It is an arithmetic number, because the mean of its divisors is an integer number (190874475).

Almost surely, 2^2516284565 is an apocalyptic number.

It is an amenable number.

2516284565 is a deficient number, since it is larger than the sum of its proper divisors (537707035).

2516284565 is a wasteful number, since it uses less digits than its factorization.

2516284565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11416.

The product of its digits is 576000, while the sum is 44.

The square root of 2516284565 is about 50162.5813231337. The cubic root of 2516284565 is about 1360.1493068849.

The spelling of 2516284565 in words is "two billion, five hundred sixteen million, two hundred eighty-four thousand, five hundred sixty-five".