1031425 has 6 divisors (see below), whose sum is σ = 1278998. Its totient is φ = 825120.

The previous prime is 1031423. The next prime is 1031431. The reversal of 1031425 is 5241301.

It can be written as a sum of positive squares in 3 ways, for example, as 23409 + 1008016 = 153^2 + 1004^2 .

It is not a de Polignac number, because 1031425 - 2¹ = 1031423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031399 and 1031408.

It is not an unprimeable number, because it can be changed into a prime (1031423) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 20604 + ... + 20653.

2^1031425 is an apocalyptic number.

It is an amenable number.

1031425 is a deficient number, since it is larger than the sum of its proper divisors (247573).

1031425 is an equidigital number, since it uses as much as digits as its factorization.

1031425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41267 (or 41262 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1031425 is about 1015.5909609680. The cubic root of 1031425 is about 101.0367150772.

Adding to 1031425 its reverse (5241301), we get a palindrome (6272726).

The spelling of 1031425 in words is "one million, thirty-one thousand, four hundred twenty-five".