1045225 has 6 divisors (see below), whose sum is σ = 1296110. Its totient is φ = 836160.

The previous prime is 1045223. The next prime is 1045229. The reversal of 1045225 is 5225401.

It can be written as a sum of positive squares in 3 ways, for example, as 23104 + 1022121 = 152^2 + 1011^2 .

It is not a de Polignac number, because 1045225 - 2¹ = 1045223 is a prime.

1045225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1045223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20880 + ... + 20929.

2^1045225 is an apocalyptic number.

It is an amenable number.

1045225 is a deficient number, since it is larger than the sum of its proper divisors (250885).

1045225 is an equidigital number, since it uses as much as digits as its factorization.

1045225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41819 (or 41814 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1045225 is about 1022.3624601872. The cubic root of 1045225 is about 101.4853287538.

It can be divided in two parts, 104 and 5225, that added together give a square (5329 = 73²).

The spelling of 1045225 in words is "one million, forty-five thousand, two hundred twenty-five".