2250625 has 20 divisors (see below), whose sum is σ = 3039652. Its totient is φ = 1656000.

The previous prime is 2250623. The next prime is 2250637. The reversal of 2250625 is 5260522.

It can be written as a sum of positive squares in 10 ways, for example, as 2214144 + 36481 = 1488^2 + 191^2 .

It is not a de Polignac number, because 2250625 - 2¹ = 2250623 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2250596 and 2250605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7987 + ... + 8263.

2^2250625 is an apocalyptic number.

2250625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2250625 is a deficient number, since it is larger than the sum of its proper divisors (789027).

2250625 is an equidigital number, since it uses as much as digits as its factorization.

2250625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2250625 is about 1500.2083188677. The cubic root of 2250625 is about 131.0492016492.

The spelling of 2250625 in words is "two million, two hundred fifty thousand, six hundred twenty-five".