2526663481 has 2 divisors, whose sum is σ = 2526663482. Its totient is φ = 2526663480.

The previous prime is 2526663479. The next prime is 2526663509. The reversal of 2526663481 is 1843666252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1969939456 + 556724025 = 44384^2 + 23595^2 .

It is a cyclic number.

It is not a de Polignac number, because 2526663481 - 2¹ = 2526663479 is a prime.

It is a super-2 number, since 2×2526663481² = 12768056692438074722, which contains 22 as substring.

Together with 2526663479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2526663421) 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, 1263331740 + 1263331741.

It is an arithmetic number, because the mean of its divisors is an integer number (1263331741).

Almost surely, 2^2526663481 is an apocalyptic number.

It is an amenable number.

2526663481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2526663481 is an equidigital number, since it uses as much as digits as its factorization.

2526663481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The square root of 2526663481 is about 50265.9276349298. The cubic root of 2526663481 is about 1362.0168103551.

The spelling of 2526663481 in words is "two billion, five hundred twenty-six million, six hundred sixty-three thousand, four hundred eighty-one".