1345225 has 12 divisors (see below), whose sum is σ = 1906624. Its totient is φ = 922320.

The previous prime is 1345207. The next prime is 1345229. The reversal of 1345225 is 5225431.

It is a de Polignac number, because none of the positive numbers 2^k-1345225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345196 and 1345205.

It is not an unprimeable number, because it can be changed into a prime (1345229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3669 + ... + 4018.

2^1345225 is an apocalyptic number.

It is an amenable number.

1345225 is a deficient number, since it is larger than the sum of its proper divisors (561399).

1345225 is an equidigital number, since it uses as much as digits as its factorization.

1345225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7704 (or 7699 counting only the distinct ones).

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

The square root of 1345225 is about 1159.8383508058. The cubic root of 1345225 is about 110.3904854662.

The spelling of 1345225 in words is "one million, three hundred forty-five thousand, two hundred twenty-five".