2516565351 has 4 divisors (see below), whose sum is σ = 3355420472. Its totient is φ = 1677710232.

The previous prime is 2516565329. The next prime is 2516565367. The reversal of 2516565351 is 1535656152.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2516565351 - 2⁶ = 2516565287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516565391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419427556 + ... + 419427561.

It is an arithmetic number, because the mean of its divisors is an integer number (838855118).

Almost surely, 2^2516565351 is an apocalyptic number.

2516565351 is a deficient number, since it is larger than the sum of its proper divisors (838855121).

2516565351 is an equidigital number, since it uses as much as digits as its factorization.

2516565351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838855120.

The product of its digits is 135000, while the sum is 39.

The square root of 2516565351 is about 50165.3800045410. The cubic root of 2516565351 is about 1360.1998969075.

The spelling of 2516565351 in words is "two billion, five hundred sixteen million, five hundred sixty-five thousand, three hundred fifty-one".