1343825 has 18 divisors (see below), whose sum is σ = 1940166. Its totient is φ = 920640.

The previous prime is 1343801. The next prime is 1343863. The reversal of 1343825 is 5283431.

1343825 = 141² + 142² + ... + 189².

It can be written as a sum of positive squares in 3 ways, for example, as 25921 + 1317904 = 161^2 + 1148^2 .

It is not a de Polignac number, because 1343825 - 2⁸ = 1343569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343794 and 1343803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 677 + ... + 1773.

It is an arithmetic number, because the mean of its divisors is an integer number (107787).

2^1343825 is an apocalyptic number.

It is an amenable number.

1343825 is a deficient number, since it is larger than the sum of its proper divisors (596341).

1343825 is a wasteful number, since it uses less digits than its factorization.

1343825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1109 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1343825 is about 1159.2346613175. The cubic root of 1343825 is about 110.3521770484.

The spelling of 1343825 in words is "one million, three hundred forty-three thousand, eight hundred twenty-five".