5721115 has 4 divisors (see below), whose sum is σ = 6865344. Its totient is φ = 4576888.

The previous prime is 5721113. The next prime is 5721119. The reversal of 5721115 is 5111275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5721115 - 2¹ = 5721113 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5721113) 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, 572107 + ... + 572116.

It is an arithmetic number, because the mean of its divisors is an integer number (1716336).

Almost surely, 2^5721115 is an apocalyptic number.

5721115 is a deficient number, since it is larger than the sum of its proper divisors (1144229).

5721115 is a wasteful number, since it uses less digits than its factorization.

5721115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144228.

The product of its digits is 350, while the sum is 22.

The square root of 5721115 is about 2391.8852397220. The cubic root of 5721115 is about 178.8519004293.

The spelling of 5721115 in words is "five million, seven hundred twenty-one thousand, one hundred fifteen".