3825823 has 2 divisors, whose sum is σ = 3825824. Its totient is φ = 3825822.

The previous prime is 3825817. The next prime is 3825827. The reversal of 3825823 is 3285283.

It is a strong prime.

It is an emirp because it is prime and its reverse (3285283) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3825823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3825827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912911 + 1912912.

It is an arithmetic number, because the mean of its divisors is an integer number (1912912).

Almost surely, 2^3825823 is an apocalyptic number.

3825823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3825823 is an equidigital number, since it uses as much as digits as its factorization.

3825823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 3825823 is about 1955.9711143061. The cubic root of 3825823 is about 156.4017559212.

The spelling of 3825823 in words is "three million, eight hundred twenty-five thousand, eight hundred twenty-three".