5272821 has 12 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 3401640.

The previous prime is 5272807. The next prime is 5272837. The reversal of 5272821 is 1282725.

It is not a de Polignac number, because 5272821 - 2¹¹ = 5270773 is a prime.

It is a super-3 number, since 3×5272821³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5272801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9171 + ... + 9728.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^5272821 is an apocalyptic number.

It is an amenable number.

5272821 is a deficient number, since it is larger than the sum of its proper divisors (2589579).

5272821 is a wasteful number, since it uses less digits than its factorization.

5272821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18936 (or 18933 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 5272821 is about 2296.2623978979. The cubic root of 5272821 is about 174.0527980877.

The spelling of 5272821 in words is "five million, two hundred seventy-two thousand, eight hundred twenty-one".