5288021 has 4 divisors (see below), whose sum is σ = 5302572. Its totient is φ = 5273472.

The previous prime is 5287991. The next prime is 5288033. The reversal of 5288021 is 1208825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4468996 + 819025 = 2114^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 5288021 - 2⁶ = 5287957 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 (5288051) 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, 6716 + ... + 7461.

It is an arithmetic number, because the mean of its divisors is an integer number (1325643).

Almost surely, 2^5288021 is an apocalyptic number.

It is an amenable number.

5288021 is a deficient number, since it is larger than the sum of its proper divisors (14551).

5288021 is a wasteful number, since it uses less digits than its factorization.

5288021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14550.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 5288021 is about 2299.5697423649. The cubic root of 5288021 is about 174.2198853975.

The spelling of 5288021 in words is "five million, two hundred eighty-eight thousand, twenty-one".