1825249 has 8 divisors (see below), whose sum is σ = 1906688. Its totient is φ = 1745280.

The previous prime is 1825217. The next prime is 1825261. The reversal of 1825249 is 9425281.

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

It is a cyclic number.

It is not a de Polignac number, because 1825249 - 2⁵ = 1825217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1825249.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1820249) 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 7 ways as a sum of consecutive naturals, for example, 2704 + ... + 3310.

It is an arithmetic number, because the mean of its divisors is an integer number (238336).

2^1825249 is an apocalyptic number.

It is an amenable number.

1825249 is a deficient number, since it is larger than the sum of its proper divisors (81439).

1825249 is an equidigital number, since it uses as much as digits as its factorization.

1825249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735.

The product of its digits is 5760, while the sum is 31.

The square root of 1825249 is about 1351.0177645020. The cubic root of 1825249 is about 122.2101769887.

The spelling of 1825249 in words is "one million, eight hundred twenty-five thousand, two hundred forty-nine".