2581482247 has 2 divisors, whose sum is σ = 2581482248. Its totient is φ = 2581482246.

The previous prime is 2581482229. The next prime is 2581482263. The reversal of 2581482247 is 7422841852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2581482247 - 2¹¹ = 2581480199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2581482217) 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, 1290741123 + 1290741124.

It is an arithmetic number, because the mean of its divisors is an integer number (1290741124).

Almost surely, 2^2581482247 is an apocalyptic number.

2581482247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2581482247 is an equidigital number, since it uses as much as digits as its factorization.

2581482247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286720, while the sum is 43.

The square root of 2581482247 is about 50808.2891563965. The cubic root of 2581482247 is about 1371.7965751022.

The spelling of 2581482247 in words is "two billion, five hundred eighty-one million, four hundred eighty-two thousand, two hundred forty-seven".