5427275261 has 2 divisors, whose sum is σ = 5427275262. Its totient is φ = 5427275260.

The previous prime is 5427275257. The next prime is 5427275309. The reversal of 5427275261 is 1625727245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4990716025 + 436559236 = 70645^2 + 20894^2 .

It is a cyclic number.

It is not a de Polignac number, because 5427275261 - 2² = 5427275257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5427275461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713637630 + 2713637631.

It is an arithmetic number, because the mean of its divisors is an integer number (2713637631).

Almost surely, 2^5427275261 is an apocalyptic number.

It is an amenable number.

5427275261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5427275261 is an equidigital number, since it uses as much as digits as its factorization.

5427275261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 41.

The square root of 5427275261 is about 73670.0431722420. The cubic root of 5427275261 is about 1757.3595112663.

The spelling of 5427275261 in words is "five billion, four hundred twenty-seven million, two hundred seventy-five thousand, two hundred sixty-one".