5011021 has 4 divisors (see below), whose sum is σ = 5146492. Its totient is φ = 4875552.

The previous prime is 5011007. The next prime is 5011031. The reversal of 5011021 is 1201105.

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 4862025 + 148996 = 2205^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 5011021 - 2⁷ = 5010893 is a prime.

It is a super-2 number, since 2×5011021² = 50220662924882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5010989 and 5011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5011001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67680 + ... + 67753.

It is an arithmetic number, because the mean of its divisors is an integer number (1286623).

Almost surely, 2^5011021 is an apocalyptic number.

It is an amenable number.

5011021 is a deficient number, since it is larger than the sum of its proper divisors (135471).

5011021 is a wasteful number, since it uses less digits than its factorization.

5011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135470.

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

The square root of 5011021 is about 2238.5309915210. The cubic root of 5011021 is about 171.1231401031.

Adding to 5011021 its reverse (1201105), we get a palindrome (6212126).

The spelling of 5011021 in words is "five million, eleven thousand, twenty-one".