5151001481 has 2 divisors, whose sum is σ = 5151001482. Its totient is φ = 5151001480.

The previous prime is 5151001477. The next prime is 5151001523. The reversal of 5151001481 is 1841001515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4796809081 + 354192400 = 69259^2 + 18820^2 .

It is a cyclic number.

It is not a de Polignac number, because 5151001481 - 2² = 5151001477 is a prime.

It is a super-2 number, since 2×5151001481² = 53065632514528386722, 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 5151001481.

It is not a weakly prime, because it can be changed into another prime (5151001451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575500740 + 2575500741.

It is an arithmetic number, because the mean of its divisors is an integer number (2575500741).

Almost surely, 2^5151001481 is an apocalyptic number.

It is an amenable number.

5151001481 is a deficient number, since it is larger than the sum of its proper divisors (1).

5151001481 is an equidigital number, since it uses as much as digits as its factorization.

5151001481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 26.

The square root of 5151001481 is about 71770.4777816060. The cubic root of 5151001481 is about 1727.0194349653.

Adding to 5151001481 its reverse (1841001515), we get a palindrome (6992002996).

The spelling of 5151001481 in words is "five billion, one hundred fifty-one million, one thousand, four hundred eighty-one".