2503116 has 144 divisors (see below), whose sum is σ = 8426880. Its totient is φ = 635040.

The previous prime is 2503103. The next prime is 2503121. The reversal of 2503116 is 6113052.

2503116 = 21³ + 22³ + ... + 56³.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58191 + ... + 58233.

It is an arithmetic number, because the mean of its divisors is an integer number (58520).

2^2503116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2503116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4213440).

2503116 is an abundant number, since it is smaller than the sum of its proper divisors (5923764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2503116 is a wasteful number, since it uses less digits than its factorization.

2503116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2503116 is about 1582.1238889543. The cubic root of 2503116 is about 135.7772449208. Note that the first 3 decimals are identical.

Adding to 2503116 its reverse (6113052), we get a palindrome (8616168).

The spelling of 2503116 in words is "two million, five hundred three thousand, one hundred sixteen".