2516830 has 16 divisors (see below), whose sum is σ = 4548960. Its totient is φ = 1002592.

The previous prime is 2516783. The next prime is 2516837. The reversal of 2516830 is 386152.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2516795 and 2516804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516837) 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 7 ways as a sum of consecutive naturals, for example, 3567 + ... + 4213.

It is an arithmetic number, because the mean of its divisors is an integer number (284310).

2^2516830 is an apocalyptic number.

2516830 is a deficient number, since it is larger than the sum of its proper divisors (2032130).

2516830 is a wasteful number, since it uses less digits than its factorization.

2516830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2516830 is about 1586.4520162930. The cubic root of 2516830 is about 136.0247576035.

The spelling of 2516830 in words is "two million, five hundred sixteen thousand, eight hundred thirty".