1799825 has 6 divisors (see below), whose sum is σ = 2231814. Its totient is φ = 1439840.

The previous prime is 1799803. The next prime is 1799839. The reversal of 1799825 is 5289971.

It can be written as a sum of positive squares in 3 ways, for example, as 565504 + 1234321 = 752^2 + 1111^2 .

It is not a de Polignac number, because 1799825 - 2⁶ = 1799761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35972 + ... + 36021.

It is an arithmetic number, because the mean of its divisors is an integer number (371969).

2^1799825 is an apocalyptic number.

It is an amenable number.

1799825 is a deficient number, since it is larger than the sum of its proper divisors (431989).

1799825 is an equidigital number, since it uses as much as digits as its factorization.

1799825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72003 (or 71998 counting only the distinct ones).

The product of its digits is 45360, while the sum is 41.

The square root of 1799825 is about 1341.5755662653. The cubic root of 1799825 is about 121.6400976157.

The spelling of 1799825 in words is "one million, seven hundred ninety-nine thousand, eight hundred twenty-five".