5221671 has 32 divisors (see below), whose sum is σ = 8859648. Its totient is φ = 2661120.

The previous prime is 5221651. The next prime is 5221673. The reversal of 5221671 is 1761225.

It is not a de Polignac number, because 5221671 - 2⁵ = 5221639 is a prime.

It is an Ulam number.

5221671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8155 + ... + 8771.

It is an arithmetic number, because the mean of its divisors is an integer number (276864).

Almost surely, 2^5221671 is an apocalyptic number.

5221671 is a deficient number, since it is larger than the sum of its proper divisors (3637977).

5221671 is a wasteful number, since it uses less digits than its factorization.

5221671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its digits is 840, while the sum is 24.

The square root of 5221671 is about 2285.0975909138. The cubic root of 5221671 is about 173.4881576073.

Adding to 5221671 its reverse (1761225), we get a palindrome (6982896).

The spelling of 5221671 in words is "five million, two hundred twenty-one thousand, six hundred seventy-one".