5061721 has 4 divisors (see below), whose sum is σ = 5784832. Its totient is φ = 4338612.

The previous prime is 5061677. The next prime is 5061731. The reversal of 5061721 is 1271605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5061721 - 2¹⁷ = 4930649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5061692 and 5061701.

It is not an unprimeable number, because it can be changed into a prime (5061731) 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, 361545 + ... + 361558.

It is an arithmetic number, because the mean of its divisors is an integer number (1446208).

Almost surely, 2^5061721 is an apocalyptic number.

It is an amenable number.

5061721 is a deficient number, since it is larger than the sum of its proper divisors (723111).

5061721 is an equidigital number, since it uses as much as digits as its factorization.

5061721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723110.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 5061721 is about 2249.8268822289. The cubic root of 5061721 is about 171.6983286977.

The spelling of 5061721 in words is "five million, sixty-one thousand, seven hundred twenty-one".