5821001 has 8 divisors (see below), whose sum is σ = 6100224. Its totient is φ = 5544000.

The previous prime is 5820977. The next prime is 5821003. The reversal of 5821001 is 1001285.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5821001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5821003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7376 + ... + 8126.

It is an arithmetic number, because the mean of its divisors is an integer number (762528).

Almost surely, 2^5821001 is an apocalyptic number.

It is an amenable number.

5821001 is a deficient number, since it is larger than the sum of its proper divisors (279223).

5821001 is a wasteful number, since it uses less digits than its factorization.

5821001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 5821001 is about 2412.6750713679. The cubic root of 5821001 is about 179.8867703512.

Adding to 5821001 its reverse (1001285), we get a palindrome (6822286).

The spelling of 5821001 in words is "five million, eight hundred twenty-one thousand, one".