5274721 has 4 divisors (see below), whose sum is σ = 5284912. Its totient is φ = 5264532.

The previous prime is 5274713. The next prime is 5274739. The reversal of 5274721 is 1274725.

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 5274721 - 2³ = 5274713 is a prime.

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

It is a Duffinian number.

5274721 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5274721.

It is not an unprimeable number, because it can be changed into a prime (5274701) 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, 4275 + ... + 5368.

It is an arithmetic number, because the mean of its divisors is an integer number (1321228).

Almost surely, 2^5274721 is an apocalyptic number.

It is an amenable number.

5274721 is a deficient number, since it is larger than the sum of its proper divisors (10191).

5274721 is an equidigital number, since it uses as much as digits as its factorization.

5274721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190.

The product of its digits is 3920, while the sum is 28.

The square root of 5274721 is about 2296.6760764200. The cubic root of 5274721 is about 174.0737015473.

It can be divided in two parts, 5274 and 721, that added together give a palindrome (5995).

The spelling of 5274721 in words is "five million, two hundred seventy-four thousand, seven hundred twenty-one".