1403225 has 18 divisors (see below), whose sum is σ = 1831914. Its totient is φ = 1065600.

The previous prime is 1403189. The next prime is 1403239. The reversal of 1403225 is 5223041.

It can be written as a sum of positive squares in 9 ways, for example, as 175561 + 1227664 = 419^2 + 1108^2 .

It is not a de Polignac number, because 1403225 - 2¹⁰ = 1402201 is a prime.

It is a Duffinian number.

It is a congruent 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 17 ways as a sum of consecutive naturals, for example, 34205 + ... + 34245.

It is an arithmetic number, because the mean of its divisors is an integer number (101773).

2^1403225 is an apocalyptic number.

It is an amenable number.

1403225 is a deficient number, since it is larger than the sum of its proper divisors (428689).

1403225 is an equidigital number, since it uses as much as digits as its factorization.

1403225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1403225 is about 1184.5779839251. The cubic root of 1403225 is about 111.9547276635.

Adding to 1403225 its reverse (5223041), we get a palindrome (6626266).

The spelling of 1403225 in words is "one million, four hundred three thousand, two hundred twenty-five".