2516443 has 4 divisors (see below), whose sum is σ = 2530528. Its totient is φ = 2502360.

The previous prime is 2516429. The next prime is 2516447. The reversal of 2516443 is 3446152.

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 2516443 - 2⁵ = 2516411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2516447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6771 + ... + 7132.

It is an arithmetic number, because the mean of its divisors is an integer number (632632).

2^2516443 is an apocalyptic number.

2516443 is a deficient number, since it is larger than the sum of its proper divisors (14085).

2516443 is a wasteful number, since it uses less digits than its factorization.

2516443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14084.

The product of its digits is 2880, while the sum is 25.

The square root of 2516443 is about 1586.3300413218. The cubic root of 2516443 is about 136.0177853038.

The spelling of 2516443 in words is "two million, five hundred sixteen thousand, four hundred forty-three".