5721189 has 4 divisors (see below), whose sum is σ = 7628256. Its totient is φ = 3814124.

The previous prime is 5721179. The next prime is 5721203. The reversal of 5721189 is 9811275.

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 a de Polignac number, because none of the positive numbers 2^k-5721189 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721119) 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, 953529 + ... + 953534.

It is an arithmetic number, because the mean of its divisors is an integer number (1907064).

Almost surely, 2^5721189 is an apocalyptic number.

It is an amenable number.

5721189 is a deficient number, since it is larger than the sum of its proper divisors (1907067).

5721189 is a wasteful number, since it uses less digits than its factorization.

5721189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907066.

The product of its digits is 5040, while the sum is 33.

The square root of 5721189 is about 2391.9007086416. The cubic root of 5721189 is about 178.8526715484.

The spelling of 5721189 in words is "five million, seven hundred twenty-one thousand, one hundred eighty-nine".