5001911 has 2 divisors, whose sum is σ = 5001912. Its totient is φ = 5001910.

The previous prime is 5001907. The next prime is 5001923. The reversal of 5001911 is 1191005.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5001911 - 2² = 5001907 is a prime.

It is a super-2 number, since 2×5001911² = 50038227303842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5001911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5031911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500955 + 2500956.

It is an arithmetic number, because the mean of its divisors is an integer number (2500956).

Almost surely, 2^5001911 is an apocalyptic number.

5001911 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001911 is an equidigital number, since it uses as much as digits as its factorization.

5001911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 5001911 is about 2236.4952492684. The cubic root of 5001911 is about 171.0193769864.

Adding to 5001911 its reverse (1191005), we get a palindrome (6192916).

The spelling of 5001911 in words is "five million, one thousand, nine hundred eleven".