2500216 has 8 divisors (see below), whose sum is σ = 4687920. Its totient is φ = 1250104.

The previous prime is 2500213. The next prime is 2500273. The reversal of 2500216 is 6120052.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2500216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156256 + ... + 156271.

It is an arithmetic number, because the mean of its divisors is an integer number (585990).

2^2500216 is an apocalyptic number.

It is an amenable number.

2500216 is a deficient number, since it is larger than the sum of its proper divisors (2187704).

2500216 is a wasteful number, since it uses less digits than its factorization.

2500216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312533 (or 312529 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2500216 is about 1581.2071338063. The cubic root of 2500216 is about 135.7247894785.

Adding to 2500216 its reverse (6120052), we get a palindrome (8620268).

The spelling of 2500216 in words is "two million, five hundred thousand, two hundred sixteen".