1047825 has 18 divisors (see below), whose sum is σ = 1877174. Its totient is φ = 558720.

The previous prime is 1047821. The next prime is 1047833. The reversal of 1047825 is 5287401.

It can be written as a sum of positive squares in 3 ways, for example, as 1296 + 1046529 = 36^2 + 1023^2 .

It is not a de Polignac number, because 1047825 - 2² = 1047821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1047821) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 2104 + ... + 2553.

2^1047825 is an apocalyptic number.

1047825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047825 is a deficient number, since it is larger than the sum of its proper divisors (829349).

1047825 is a wasteful number, since it uses less digits than its factorization.

1047825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673 (or 4665 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1047825 is about 1023.6332350994. The cubic root of 1047825 is about 101.5694074198.

The spelling of 1047825 in words is "one million, forty-seven thousand, eight hundred twenty-five".