5721289 has 12 divisors (see below), whose sum is σ = 6771600. Its totient is φ = 4818408.

The previous prime is 5721281. The next prime is 5721307. The reversal of 5721289 is 9821275.

It is not a de Polignac number, because 5721289 - 2³ = 5721281 is a prime.

It is a Duffinian number.

5721289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5721281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1902 + ... + 3880.

It is an arithmetic number, because the mean of its divisors is an integer number (564300).

Almost surely, 2^5721289 is an apocalyptic number.

5721289 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5721289 is a deficient number, since it is larger than the sum of its proper divisors (1050311).

5721289 is a wasteful number, since it uses less digits than its factorization.

5721289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2045 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 5721289 is about 2391.9216124280. The cubic root of 5721289 is about 178.8537135908.

The spelling of 5721289 in words is "five million, seven hundred twenty-one thousand, two hundred eighty-nine".