1316825 has 6 divisors (see below), whose sum is σ = 1632894. Its totient is φ = 1053440.

The previous prime is 1316813. The next prime is 1316831. The reversal of 1316825 is 5286131.

It can be written as a sum of positive squares in 3 ways, for example, as 55696 + 1261129 = 236^2 + 1123^2 .

It is not a de Polignac number, because 1316825 - 2⁶ = 1316761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1316794 and 1316803.

It is an unprimeable number.

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, 26312 + ... + 26361.

It is an arithmetic number, because the mean of its divisors is an integer number (272149).

2^1316825 is an apocalyptic number.

It is an amenable number.

1316825 is a deficient number, since it is larger than the sum of its proper divisors (316069).

1316825 is an equidigital number, since it uses as much as digits as its factorization.

1316825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52683 (or 52678 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 1316825 is about 1147.5299560360. The cubic root of 1316825 is about 109.6081096260.

The spelling of 1316825 in words is "one million, three hundred sixteen thousand, eight hundred twenty-five".