1403425 has 12 divisors (see below), whose sum is σ = 1766380. Its totient is φ = 1105920.

The previous prime is 1403417. The next prime is 1403429. The reversal of 1403425 is 5243041.

It can be written as a sum of positive squares in 6 ways, for example, as 36864 + 1366561 = 192^2 + 1169^2 .

It is not a de Polignac number, because 1403425 - 2³ = 1403417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1403429) 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, 1441 + ... + 2209.

2^1403425 is an apocalyptic number.

It is an amenable number.

1403425 is a deficient number, since it is larger than the sum of its proper divisors (362955).

1403425 is an equidigital number, since it uses as much as digits as its factorization.

1403425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1403425 is about 1184.6623991670. The cubic root of 1403425 is about 111.9600463358.

Adding to 1403425 its reverse (5243041), we get a palindrome (6646466).

The spelling of 1403425 in words is "one million, four hundred three thousand, four hundred twenty-five".