2503216 has 20 divisors (see below), whose sum is σ = 5135832. Its totient is φ = 1177856.

The previous prime is 2503213. The next prime is 2503217. The reversal of 2503216 is 6123052.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2503193 and 2503202.

It is not an unprimeable number, because it can be changed into a prime (2503211) 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, 4330 + ... + 4873.

2^2503216 is an apocalyptic number.

It is an amenable number.

2503216 is an abundant number, since it is smaller than the sum of its proper divisors (2632616).

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

2503216 is a wasteful number, since it uses less digits than its factorization.

2503216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9228 (or 9222 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2503216 is about 1582.1554917264. The cubic root of 2503216 is about 135.7790530063.

Adding to 2503216 its reverse (6123052), we get a palindrome (8626268).

The spelling of 2503216 in words is "two million, five hundred three thousand, two hundred sixteen".