5851001 has 4 divisors (see below), whose sum is σ = 6301092. Its totient is φ = 5400912.

The previous prime is 5850997. The next prime is 5851003. The reversal of 5851001 is 1001585.

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 2483776 + 3367225 = 1576^2 + 1835^2 .

It is a cyclic number.

It is not a de Polignac number, because 5851001 - 2² = 5850997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5851003) 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, 225026 + ... + 225051.

It is an arithmetic number, because the mean of its divisors is an integer number (1575273).

Almost surely, 2^5851001 is an apocalyptic number.

It is an amenable number.

5851001 is a deficient number, since it is larger than the sum of its proper divisors (450091).

5851001 is a wasteful number, since it uses less digits than its factorization.

5851001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450090.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 5851001 is about 2418.8842469205. The cubic root of 5851001 is about 180.1952716236.

Adding to 5851001 its reverse (1001585), we get a palindrome (6852586).

It can be divided in two parts, 585 and 1001, that multiplied together give a palindrome (585585).

The spelling of 5851001 in words is "five million, eight hundred fifty-one thousand, one".