5011001 has 2 divisors, whose sum is σ = 5011002. Its totient is φ = 5011000.

The previous prime is 5010977. The next prime is 5011007. The reversal of 5011001 is 1001105.

It is a happy number.

5011001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3258025 + 1752976 = 1805^2 + 1324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5011001 is a prime.

It is a super-2 number, since 2×5011001² = 50220262044002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5011001.

It is not a weakly prime, because it can be changed into another prime (5011007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505500 + 2505501.

It is an arithmetic number, because the mean of its divisors is an integer number (2505501).

Almost surely, 2^5011001 is an apocalyptic number.

It is an amenable number.

5011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5011001 is an equidigital number, since it uses as much as digits as its factorization.

5011001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 5011001 is about 2238.5265243012. The cubic root of 5011001 is about 171.1229124404.

Adding to 5011001 its reverse (1001105), we get a palindrome (6012106).

It can be divided in two parts, 501 and 1001, that multiplied together give a triangular number (501501 = T₁₀₀₁).

The spelling of 5011001 in words is "five million, eleven thousand, one".