5721061 has 4 divisors (see below), whose sum is σ = 6057612. Its totient is φ = 5384512.

The previous prime is 5721059. The next prime is 5721113. The reversal of 5721061 is 1601275.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3744225 + 1976836 = 1935^2 + 1406^2 .

It is not a de Polignac number, because 5721061 - 2¹ = 5721059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721011) 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, 168250 + ... + 168283.

It is an arithmetic number, because the mean of its divisors is an integer number (1514403).

Almost surely, 2^5721061 is an apocalyptic number.

It is an amenable number.

5721061 is a deficient number, since it is larger than the sum of its proper divisors (336551).

5721061 is a wasteful number, since it uses less digits than its factorization.

5721061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336550.

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

The square root of 5721061 is about 2391.8739515284. The cubic root of 5721061 is about 178.8513377166.

The spelling of 5721061 in words is "five million, seven hundred twenty-one thousand, sixty-one".