1025225 has 12 divisors (see below), whose sum is σ = 1327296. Its totient is φ = 784080.

The previous prime is 1025209. The next prime is 1025231. The reversal of 1025225 is 5225201.

It is not a de Polignac number, because 1025225 - 2⁴ = 1025209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 317 + ... + 1466.

It is an arithmetic number, because the mean of its divisors is an integer number (110608).

2^1025225 is an apocalyptic number.

It is an amenable number.

1025225 is a deficient number, since it is larger than the sum of its proper divisors (302071).

1025225 is a wasteful number, since it uses less digits than its factorization.

1025225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1811 counting only the distinct ones).

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

The square root of 1025225 is about 1012.5339500481. The cubic root of 1025225 is about 100.8338607687.

The spelling of 1025225 in words is "one million, twenty-five thousand, two hundred twenty-five".