2250505 has 4 divisors (see below), whose sum is σ = 2700612. Its totient is φ = 1800400.

The previous prime is 2250503. The next prime is 2250509. The reversal of 2250505 is 5050522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1272384 + 978121 = 1128^2 + 989^2 .

It is not a de Polignac number, because 2250505 - 2¹ = 2250503 is a prime.

It is a Duffinian number.

2250505 is a modest number, since divided by 505 gives 225 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2250503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225046 + ... + 225055.

It is an arithmetic number, because the mean of its divisors is an integer number (675153).

2^2250505 is an apocalyptic number.

It is an amenable number.

2250505 is a deficient number, since it is larger than the sum of its proper divisors (450107).

2250505 is an equidigital number, since it uses as much as digits as its factorization.

2250505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450106.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 2250505 is about 1500.1683238890. The cubic root of 2250505 is about 131.0468724912.

The spelling of 2250505 in words is "two million, two hundred fifty thousand, five hundred five".