2125250 has 16 divisors (see below), whose sum is σ = 3978936. Its totient is φ = 850000.

The previous prime is 2125237. The next prime is 2125259. The reversal of 2125250 is 525212.

It can be written as a sum of positive squares in 4 ways, for example, as 218089 + 1907161 = 467^2 + 1381^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2125259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001 + ... + 4500.

2^2125250 is an apocalyptic number.

2125250 is a deficient number, since it is larger than the sum of its proper divisors (1853686).

2125250 is an equidigital number, since it uses as much as digits as its factorization.

2125250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8518 (or 8508 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2125250 is about 1457.8237204820. The cubic root of 2125250 is about 128.5691210638.

Multiplying 2125250 by its sum of digits (17), we get a triangular number (36129250 = T₈₅₀₀).

The spelling of 2125250 in words is "two million, one hundred twenty-five thousand, two hundred fifty".