1825423 has 4 divisors (see below), whose sum is σ = 1842280. Its totient is φ = 1808568.
The previous prime is 1825403. The next prime is 1825429. The reversal of 1825423 is 3245281.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1825423 - 25 = 1825391 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 (1825429) 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, 8265 + ... + 8482.
It is an arithmetic number, because the mean of its divisors is an integer number (460570).
21825423 is an apocalyptic number.
1825423 is a deficient number, since it is larger than the sum of its proper divisors (16857).
1825423 is a wasteful number, since it uses less digits than its factorization.
1825423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16856.
The product of its digits is 1920, while the sum is 25.
The square root of 1825423 is about 1351.0821588638. The cubic root of 1825423 is about 122.2140602753.
The spelling of 1825423 in words is "one million, eight hundred twenty-five thousand, four hundred twenty-three".
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