5244721 has 8 divisors (see below), whose sum is σ = 5658984. Its totient is φ = 4842240.

The previous prime is 5244709. The next prime is 5244727. The reversal of 5244721 is 1274425.

It can be written as a sum of positive squares in 4 ways, for example, as 3027600 + 2217121 = 1740^2 + 1489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5244721 - 2¹¹ = 5242673 is a prime.

It is a Duffinian number.

5244721 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5244727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2010 + ... + 3811.

It is an arithmetic number, because the mean of its divisors is an integer number (707373).

Almost surely, 2^5244721 is an apocalyptic number.

It is an amenable number.

5244721 is a deficient number, since it is larger than the sum of its proper divisors (414263).

5244721 is a wasteful number, since it uses less digits than its factorization.

5244721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891.

The product of its digits is 2240, while the sum is 25.

The square root of 5244721 is about 2290.1355855058. The cubic root of 5244721 is about 173.7430589156.

The spelling of 5244721 in words is "five million, two hundred forty-four thousand, seven hundred twenty-one".