5721085 has 8 divisors (see below), whose sum is σ = 6995160. Its totient is φ = 4490304.

The previous prime is 5721059. The next prime is 5721113. The reversal of 5721085 is 5801275.

It can be written as a sum of positive squares in 4 ways, for example, as 964324 + 4756761 = 982^2 + 2181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5721085 - 2¹³ = 5712893 is a prime.

5721085 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10530 + ... + 11059.

It is an arithmetic number, because the mean of its divisors is an integer number (874395).

Almost surely, 2^5721085 is an apocalyptic number.

It is an amenable number.

5721085 is a deficient number, since it is larger than the sum of its proper divisors (1274075).

5721085 is a wasteful number, since it uses less digits than its factorization.

5721085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21647.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5721085 is about 2391.8789685099. The cubic root of 5721085 is about 178.8515878116.

The spelling of 5721085 in words is "five million, seven hundred twenty-one thousand, eighty-five".