5821901 has 4 divisors (see below), whose sum is σ = 5917404. Its totient is φ = 5726400.

The previous prime is 5821897. The next prime is 5821909. The reversal of 5821901 is 1091285.

It is a happy number.

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 2399401 + 3422500 = 1549^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 5821901 - 2² = 5821897 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 (5821909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47660 + ... + 47781.

It is an arithmetic number, because the mean of its divisors is an integer number (1479351).

Almost surely, 2^5821901 is an apocalyptic number.

It is an amenable number.

5821901 is a deficient number, since it is larger than the sum of its proper divisors (95503).

5821901 is an equidigital number, since it uses as much as digits as its factorization.

5821901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95502.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 5821901 is about 2412.8615791214. The cubic root of 5821901 is about 179.8960407928.

The spelling of 5821901 in words is "five million, eight hundred twenty-one thousand, nine hundred one".