5121481 has 2 divisors, whose sum is σ = 5121482. Its totient is φ = 5121480.

The previous prime is 5121463. The next prime is 5121511. The reversal of 5121481 is 1841215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4000000 + 1121481 = 2000^2 + 1059^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121481 - 2⁷ = 5121353 is a prime.

It is a super-2 number, since 2×5121481² = 52459135266722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5121421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560740 + 2560741.

It is an arithmetic number, because the mean of its divisors is an integer number (2560741).

Almost surely, 2^5121481 is an apocalyptic number.

It is an amenable number.

5121481 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121481 is an equidigital number, since it uses as much as digits as its factorization.

5121481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 22.

The square root of 5121481 is about 2263.0689339921. The cubic root of 5121481 is about 172.3713919222.

Adding to 5121481 its reverse (1841215), we get a palindrome (6962696).

The spelling of 5121481 in words is "five million, one hundred twenty-one thousand, four hundred eighty-one".