5220671 has 4 divisors (see below), whose sum is σ = 5226144. Its totient is φ = 5215200.

The previous prime is 5220661. The next prime is 5220689. The reversal of 5220671 is 1760225.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5220671 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 (5220601) 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, 890 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (1306536).

Almost surely, 2^5220671 is an apocalyptic number.

5220671 is a deficient number, since it is larger than the sum of its proper divisors (5473).

5220671 is a wasteful number, since it uses less digits than its factorization.

5220671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 5220671 is about 2284.8787714012. The cubic root of 5220671 is about 173.4770820191.

Adding to 5220671 its reverse (1760225), we get a palindrome (6980896).

It can be divided in two parts, 5 and 220671, that multiplied together give a triangular number (1103355 = T₁₄₈₅).

The spelling of 5220671 in words is "five million, two hundred twenty thousand, six hundred seventy-one".