5010721 has 4 divisors (see below), whose sum is σ = 5044500. Its totient is φ = 4976944.

The previous prime is 5010701. The next prime is 5010727. The reversal of 5010721 is 1270105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1270105 = 5 ⋅254021.

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 4264225 = 864^2 + 2065^2 .

It is a cyclic number.

It is not a de Polignac number, because 5010721 - 2⁵ = 5010689 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5010695 and 5010704.

It is not an unprimeable number, because it can be changed into a prime (5010727) 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, 16666 + ... + 16963.

It is an arithmetic number, because the mean of its divisors is an integer number (1261125).

Almost surely, 2^5010721 is an apocalyptic number.

It is an amenable number.

5010721 is a deficient number, since it is larger than the sum of its proper divisors (33779).

5010721 is a wasteful number, since it uses less digits than its factorization.

5010721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33778.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 5010721 is about 2238.4639822879. The cubic root of 5010721 is about 171.1197250994.

Adding to 5010721 its reverse (1270105), we get a palindrome (6280826).

The spelling of 5010721 in words is "five million, ten thousand, seven hundred twenty-one".