2500028 has 6 divisors (see below), whose sum is σ = 4375056.
Its totient is φ = 1250012.
The previous prime is 2500027. The next prime is 2500049. The reversal of 2500028 is 8200052.
It is a happy number.
2500028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 2499979 and 2500015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2500027) 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 as a sum of consecutive naturals, namely, 312500 + ... + 312507.
It is an arithmetic number, because the mean of its divisors is an integer number (729176).
22500028 is an apocalyptic number.
It is an amenable number.
2500028 is a deficient number, since it is larger than the sum of its proper divisors (1875028).
2500028 is a wasteful number, since it uses less digits than its factorization.
2500028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 625011 (or 625009 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 2500028 is about 1581.1476844368.
The cubic root of 2500028 is about 135.7213875191.
The spelling of 2500028 in words is "two million, five hundred thousand, twenty-eight".