2500218 has 24 divisors (see below), whose sum is σ = 6191328. Its totient is φ = 714312.

The previous prime is 2500213. The next prime is 2500273. The reversal of 2500218 is 8120052.

2500218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2500218.

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

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 in 11 ways as a sum of consecutive naturals, for example, 9796 + ... + 10047.

It is an arithmetic number, because the mean of its divisors is an integer number (257972).

2^2500218 is an apocalyptic number.

2500218 is an abundant number, since it is smaller than the sum of its proper divisors (3691110).

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

2500218 is a wasteful number, since it uses less digits than its factorization.

2500218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19858 (or 19855 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2500218 is about 1581.2077662344. The cubic root of 2500218 is about 135.7248256687.

The spelling of 2500218 in words is "two million, five hundred thousand, two hundred eighteen".