1825441 has 4 divisors (see below), whose sum is σ = 1904832. Its totient is φ = 1746052.

The previous prime is 1825429. The next prime is 1825451. The reversal of 1825441 is 1445281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1445281 = 283 ⋅5107.

It is a cyclic number.

It is not a de Polignac number, because 1825441 - 2¹⁵ = 1792673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39661 + ... + 39706.

It is an arithmetic number, because the mean of its divisors is an integer number (476208).

2^1825441 is an apocalyptic number.

It is an amenable number.

1825441 is a deficient number, since it is larger than the sum of its proper divisors (79391).

1825441 is an equidigital number, since it uses as much as digits as its factorization.

1825441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79390.

The product of its digits is 1280, while the sum is 25.

The square root of 1825441 is about 1351.0888201743. The cubic root of 1825441 is about 122.2144619805.

The spelling of 1825441 in words is "one million, eight hundred twenty-five thousand, four hundred forty-one".