5819521 has 4 divisors (see below), whose sum is σ = 5865472. Its totient is φ = 5773572.

The previous prime is 5819507. The next prime is 5819531. The reversal of 5819521 is 1259185.

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 not a de Polignac number, because 5819521 - 2⁷ = 5819393 is a prime.

It is a Duffinian number.

5819521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5819501) 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, 22785 + ... + 23038.

It is an arithmetic number, because the mean of its divisors is an integer number (1466368).

Almost surely, 2^5819521 is an apocalyptic number.

It is an amenable number.

5819521 is a deficient number, since it is larger than the sum of its proper divisors (45951).

5819521 is a wasteful number, since it uses less digits than its factorization.

5819521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45950.

The product of its digits is 3600, while the sum is 31.

The square root of 5819521 is about 2412.3683383762. The cubic root of 5819521 is about 179.8715235470.

The spelling of 5819521 in words is "five million, eight hundred nineteen thousand, five hundred twenty-one".