5000921 has 8 divisors (see below), whose sum is σ = 5136264. Its totient is φ = 4867200.

The previous prime is 5000917. The next prime is 5000923. The reversal of 5000921 is 1290005.

It can be written as a sum of positive squares in 4 ways, for example, as 1537600 + 3463321 = 1240^2 + 1861^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5000921 - 2² = 5000917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5000921.

It is not an unprimeable number, because it can be changed into a prime (5000923) 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, 8021 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (642033).

Almost surely, 2^5000921 is an apocalyptic number.

It is an amenable number.

5000921 is a deficient number, since it is larger than the sum of its proper divisors (135343).

5000921 is a wasteful number, since it uses less digits than its factorization.

5000921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 5000921 is about 2236.2739098778. The cubic root of 5000921 is about 171.0080932754.

Adding to 5000921 its reverse (1290005), we get a palindrome (6290926).

The spelling of 5000921 in words is "five million, nine hundred twenty-one", and thus it is an aban number.