1825165 has 16 divisors (see below), whose sum is σ = 2332800. Its totient is φ = 1367872.

The previous prime is 1825163. The next prime is 1825169. The reversal of 1825165 is 5615281.

1825165 is nontrivially palindromic in base 11.

It is a cyclic number.

It is not a de Polignac number, because 1825165 - 2¹ = 1825163 is a prime.

1825165 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825163) 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 15 ways as a sum of consecutive naturals, for example, 6651 + ... + 6919.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

2^1825165 is an apocalyptic number.

It is an amenable number.

1825165 is a deficient number, since it is larger than the sum of its proper divisors (507635).

1825165 is a wasteful number, since it uses less digits than its factorization.

1825165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its digits is 2400, while the sum is 28.

The square root of 1825165 is about 1350.9866764702. The cubic root of 1825165 is about 122.2083022102.

The spelling of 1825165 in words is "one million, eight hundred twenty-five thousand, one hundred sixty-five".