5141566021 has 2 divisors, whose sum is σ = 5141566022. Its totient is φ = 5141566020.

The previous prime is 5141566019. The next prime is 5141566063. The reversal of 5141566021 is 1206651415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3814421121 + 1327144900 = 61761^2 + 36430^2 .

It is a cyclic number.

It is not a de Polignac number, because 5141566021 - 2¹ = 5141566019 is a prime.

It is a super-2 number, since 2×5141566021² = 52871402296603544882, which contains 22 as substring.

Together with 5141566019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5141566121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2570783010 + 2570783011.

It is an arithmetic number, because the mean of its divisors is an integer number (2570783011).

Almost surely, 2^5141566021 is an apocalyptic number.

It is an amenable number.

5141566021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5141566021 is an equidigital number, since it uses as much as digits as its factorization.

5141566021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5141566021 is about 71704.7140779461. The cubic root of 5141566021 is about 1725.9642885240.

The spelling of 5141566021 in words is "five billion, one hundred forty-one million, five hundred sixty-six thousand, twenty-one".