5023821 has 16 divisors (see below), whose sum is σ = 7626240. Its totient is φ = 2911920.

The previous prime is 5023769. The next prime is 5023831. The reversal of 5023821 is 1283205.

It is not a de Polignac number, because 5023821 - 2⁷ = 5023693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5023831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2551 + ... + 4068.

It is an arithmetic number, because the mean of its divisors is an integer number (476640).

Almost surely, 2^5023821 is an apocalyptic number.

It is an amenable number.

5023821 is a deficient number, since it is larger than the sum of its proper divisors (2602419).

5023821 is a wasteful number, since it uses less digits than its factorization.

5023821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 5023821 is about 2241.3881859241. The cubic root of 5023821 is about 171.2687201373.

It can be divided in two parts, 50 and 23821, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 5023821 in words is "five million, twenty-three thousand, eight hundred twenty-one".