1031825 has 12 divisors (see below), whose sum is σ = 1292700. Its totient is φ = 816960.

The previous prime is 1031813. The next prime is 1031831. The reversal of 1031825 is 5281301.

It can be written as a sum of positive squares in 6 ways, for example, as 271441 + 760384 = 521^2 + 872^2 .

It is not a de Polignac number, because 1031825 - 2⁴ = 1031809 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1031797 and 1031806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3587 + ... + 3863.

It is an arithmetic number, because the mean of its divisors is an integer number (107725).

2^1031825 is an apocalyptic number.

It is an amenable number.

1031825 is a deficient number, since it is larger than the sum of its proper divisors (260875).

1031825 is a wasteful number, since it uses less digits than its factorization.

1031825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1031825 is about 1015.7878715559. The cubic root of 1031825 is about 101.0497745056.

The spelling of 1031825 in words is "one million, thirty-one thousand, eight hundred twenty-five".