2261527871 has 2 divisors, whose sum is σ = 2261527872. Its totient is φ = 2261527870.

The previous prime is 2261527813. The next prime is 2261527907. The reversal of 2261527871 is 1787251622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2261527871 - 2²² = 2257333567 is a prime.

It is a super-2 number, since 2×2261527871² = 10229016622619585282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261527771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130763935 + 1130763936.

It is an arithmetic number, because the mean of its divisors is an integer number (1130763936).

Almost surely, 2^2261527871 is an apocalyptic number.

2261527871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261527871 is an equidigital number, since it uses as much as digits as its factorization.

2261527871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 41.

The square root of 2261527871 is about 47555.5240850104. The cubic root of 2261527871 is about 1312.6047799766.

The spelling of 2261527871 in words is "two billion, two hundred sixty-one million, five hundred twenty-seven thousand, eight hundred seventy-one".