1825505 has 8 divisors (see below), whose sum is σ = 2389824. Its totient is φ = 1327600.

The previous prime is 1825493. The next prime is 1825513. The reversal of 1825505 is 5055281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1825505 - 2⁴ = 1825489 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 16541 + ... + 16650.

It is an arithmetic number, because the mean of its divisors is an integer number (298728).

2^1825505 is an apocalyptic number.

It is an amenable number.

1825505 is a deficient number, since it is larger than the sum of its proper divisors (564319).

1825505 is a wasteful number, since it uses less digits than its factorization.

1825505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33207.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1825505 is about 1351.1125045680. The cubic root of 1825505 is about 122.2158902444.

The spelling of 1825505 in words is "one million, eight hundred twenty-five thousand, five hundred five".