5121401563 has 2 divisors, whose sum is σ = 5121401564. Its totient is φ = 5121401562.

The previous prime is 5121401503. The next prime is 5121401581. The reversal of 5121401563 is 3651041215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5121401563 is a prime.

It is not a weakly prime, because it can be changed into another prime (5121401503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560700781 + 2560700782.

It is an arithmetic number, because the mean of its divisors is an integer number (2560700782).

Almost surely, 2^5121401563 is an apocalyptic number.

5121401563 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121401563 is an equidigital number, since it uses as much as digits as its factorization.

5121401563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5121401563 is about 71563.9683290411. The cubic root of 5121401563 is about 1723.7050072578.

Adding to 5121401563 its reverse (3651041215), we get a palindrome (8772442778).

The spelling of 5121401563 in words is "five billion, one hundred twenty-one million, four hundred one thousand, five hundred sixty-three".