5021412421 has 2 divisors, whose sum is σ = 5021412422. Its totient is φ = 5021412420.

The previous prime is 5021412401. The next prime is 5021412427. The reversal of 5021412421 is 1242141205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4608916321 + 412496100 = 67889^2 + 20310^2 .

It is a cyclic number.

It is not a de Polignac number, because 5021412421 - 2²⁵ = 4987857989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5021412392 and 5021412401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5021412427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510706210 + 2510706211.

It is an arithmetic number, because the mean of its divisors is an integer number (2510706211).

Almost surely, 2^5021412421 is an apocalyptic number.

It is an amenable number.

5021412421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021412421 is an equidigital number, since it uses as much as digits as its factorization.

5021412421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 5021412421 is about 70861.9250444130. The cubic root of 5021412421 is about 1712.4134521128.

Adding to 5021412421 its reverse (1242141205), we get a palindrome (6263553626).

The spelling of 5021412421 in words is "five billion, twenty-one million, four hundred twelve thousand, four hundred twenty-one".