2513816 has 8 divisors (see below), whose sum is σ = 4713420. Its totient is φ = 1256904.

The previous prime is 2513809. The next prime is 2513827. The reversal of 2513816 is 6183152.

2513816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157106 + ... + 157121.

2^2513816 is an apocalyptic number.

It is an amenable number.

2513816 is a deficient number, since it is larger than the sum of its proper divisors (2199604).

2513816 is a wasteful number, since it uses less digits than its factorization.

2513816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314233 (or 314229 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 2513816 is about 1585.5018133071. The cubic root of 2513816 is about 135.9704376345.

Adding to 2513816 its reverse (6183152), we get a palindrome (8696968).

The spelling of 2513816 in words is "two million, five hundred thirteen thousand, eight hundred sixteen".