5271541100249 has 2 divisors, whose sum is σ = 5271541100250. Its totient is φ = 5271541100248.

The previous prime is 5271541100239. The next prime is 5271541100281. The reversal of 5271541100249 is 9420011451725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4805004289024 + 466536811225 = 2192032^2 + 683035^2 .

It is a cyclic number.

It is not a de Polignac number, because 5271541100249 - 2¹² = 5271541096153 is a prime.

It is a super-2 number, since 2×5271541100249² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5271541100239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635770550124 + 2635770550125.

It is an arithmetic number, because the mean of its divisors is an integer number (2635770550125).

Almost surely, 2^{5271541100249} is an apocalyptic number.

It is an amenable number.

5271541100249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5271541100249 is an equidigital number, since it uses as much as digits as its factorization.

5271541100249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 5271541100249 in words is "five trillion, two hundred seventy-one billion, five hundred forty-one million, one hundred thousand, two hundred forty-nine".