5351044021 has 2 divisors, whose sum is σ = 5351044022. Its totient is φ = 5351044020.

The previous prime is 5351043991. The next prime is 5351044051. The reversal of 5351044021 is 1204401535.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (5351043991) and next prime (5351044051).

It can be written as a sum of positive squares in only one way, i.e., 3768118225 + 1582925796 = 61385^2 + 39786^2 .

It is a cyclic number.

It is not a de Polignac number, because 5351044021 - 2¹¹ = 5351041973 is a prime.

It is a super-2 number, since 2×5351044021² = 57267344229359696882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5351044051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2675522010 + 2675522011.

It is an arithmetic number, because the mean of its divisors is an integer number (2675522011).

Almost surely, 2^5351044021 is an apocalyptic number.

It is an amenable number.

5351044021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5351044021 is an equidigital number, since it uses as much as digits as its factorization.

5351044021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5351044021 is about 73150.8306241289. The cubic root of 5351044021 is about 1749.0927565192.

Adding to 5351044021 its reverse (1204401535), we get a palindrome (6555445556).

The spelling of 5351044021 in words is "five billion, three hundred fifty-one million, forty-four thousand, twenty-one".