5050511021 has 2 divisors, whose sum is σ = 5050511022. Its totient is φ = 5050511020.

The previous prime is 5050511009. The next prime is 5050511047. The reversal of 5050511021 is 1201150505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4531309225 + 519201796 = 67315^2 + 22786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5050511021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5050510984 and 5050511002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5050511071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525255510 + 2525255511.

It is an arithmetic number, because the mean of its divisors is an integer number (2525255511).

Almost surely, 2^5050511021 is an apocalyptic number.

It is an amenable number.

5050511021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5050511021 is an equidigital number, since it uses as much as digits as its factorization.

5050511021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 5050511021 is about 71066.9474580131. The cubic root of 5050511021 is about 1715.7148400818.

Adding to 5050511021 its reverse (1201150505), we get a palindrome (6251661526).

The spelling of 5050511021 in words is "five billion, fifty million, five hundred eleven thousand, twenty-one".