2516345251 has 8 divisors (see below), whose sum is σ = 2942703104. Its totient is φ = 2106707400.

The previous prime is 2516345243. The next prime is 2516345257. The reversal of 2516345251 is 1525436152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2516345251 - 2³ = 2516345243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2516345257) 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, 4179675 + ... + 4180276.

It is an arithmetic number, because the mean of its divisors is an integer number (367837888).

Almost surely, 2^2516345251 is an apocalyptic number.

2516345251 is a deficient number, since it is larger than the sum of its proper divisors (426357853).

2516345251 is an equidigital number, since it uses as much as digits as its factorization.

2516345251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8360001.

The product of its digits is 36000, while the sum is 34.

The square root of 2516345251 is about 50163.1862126002. The cubic root of 2516345251 is about 1360.1602411752.

Subtracting from 2516345251 its reverse (1525436152), we obtain a palindrome (990909099).

The spelling of 2516345251 in words is "two billion, five hundred sixteen million, three hundred forty-five thousand, two hundred fifty-one".