4423825 has 24 divisors (see below), whose sum is σ = 6642432. Its totient is φ = 2853120.

The previous prime is 4423823. The next prime is 4423829. The reversal of 4423825 is 5283244.

4423825 = T₂₁₁ + T₂₁₂ + ... + T₃₂₉.

4423825 is a nontrivial binomial coefficient, being equal to C(2975, 2).

It is not a de Polignac number, because 4423825 - 2¹ = 4423823 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4423793 and 4423802.

It is not an unprimeable number, because it can be changed into a prime (4423823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2232 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (276768).

Almost surely, 2^4423825 is an apocalyptic number.

4423825 is the 2974-th triangular number.

4423825 is the 992-nd centered nonagonal number.

It is an amenable number.

4423825 is a deficient number, since it is larger than the sum of its proper divisors (2218607).

4423825 is a wasteful number, since it uses less digits than its factorization.

4423825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1516 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 4423825 is about 2103.2890909240. The cubic root of 4423825 is about 164.1594844559.

The spelling of 4423825 in words is "four million, four hundred twenty-three thousand, eight hundred twenty-five".