2516530343 has 4 divisors (see below), whose sum is σ = 2520676800. Its totient is φ = 2512383888.

The previous prime is 2516530327. The next prime is 2516530351. The reversal of 2516530343 is 3430356152.

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

It is a cyclic number.

It is not a de Polignac number, because 2516530343 - 2⁴ = 2516530327 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 (2516530243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072318 + ... + 2073531.

It is an arithmetic number, because the mean of its divisors is an integer number (630169200).

Almost surely, 2^2516530343 is an apocalyptic number.

2516530343 is a deficient number, since it is larger than the sum of its proper divisors (4146457).

2516530343 is an equidigital number, since it uses as much as digits as its factorization.

2516530343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146456.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 2516530343 is about 50165.0310774348. The cubic root of 2516530343 is about 1360.1935896206.

Adding to 2516530343 its reverse (3430356152), we get a palindrome (5946886495).

The spelling of 2516530343 in words is "two billion, five hundred sixteen million, five hundred thirty thousand, three hundred forty-three".