5417721 has 6 divisors (see below), whose sum is σ = 7825610. Its totient is φ = 3611808.

The previous prime is 5417707. The next prime is 5417723. The reversal of 5417721 is 1277145.

It can be written as a sum of positive squares in only one way, i.e., 2822400 + 2595321 = 1680^2 + 1611^2 .

It is not a de Polignac number, because 5417721 - 2⁵ = 5417689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5417723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300976 + ... + 300993.

Almost surely, 2^5417721 is an apocalyptic number.

It is an amenable number.

5417721 is a deficient number, since it is larger than the sum of its proper divisors (2407889).

5417721 is a wasteful number, since it uses less digits than its factorization.

5417721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601975 (or 601972 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 5417721 is about 2327.5998367417. The cubic root of 5417721 is about 175.6327677740.

The spelling of 5417721 in words is "five million, four hundred seventeen thousand, seven hundred twenty-one".