5021001 has 16 divisors (see below), whose sum is σ = 7876800. Its totient is φ = 3150144.

The previous prime is 5020999. The next prime is 5021033. The reversal of 5021001 is 1001205.

It is a happy number.

It is not a de Polignac number, because 5021001 - 2¹ = 5020999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (5021201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5011 + ... + 5928.

It is an arithmetic number, because the mean of its divisors is an integer number (492300).

Almost surely, 2^5021001 is an apocalyptic number.

5021001 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5021001 is a deficient number, since it is larger than the sum of its proper divisors (2855799).

5021001 is a wasteful number, since it uses less digits than its factorization.

5021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10965 (or 10959 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 5021001 is about 2240.7590231883. The cubic root of 5021001 is about 171.2366682928.

Adding to 5021001 its reverse (1001205), we get a palindrome (6022206).

The spelling of 5021001 in words is "five million, twenty-one thousand, one".