2585740747 has 2 divisors, whose sum is σ = 2585740748. Its totient is φ = 2585740746.

The previous prime is 2585740739. The next prime is 2585740777. The reversal of 2585740747 is 7470475852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2585740747 - 2³ = 2585740739 is a prime.

It is a super-2 number, since 2×2585740747² = 13372110421392236018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2585740747.

It is not a weakly prime, because it can be changed into another prime (2585740777) 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, 1292870373 + 1292870374.

It is an arithmetic number, because the mean of its divisors is an integer number (1292870374).

Almost surely, 2^2585740747 is an apocalyptic number.

2585740747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585740747 is an equidigital number, since it uses as much as digits as its factorization.

2585740747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2195200, while the sum is 49.

The square root of 2585740747 is about 50850.1794195458. The cubic root of 2585740747 is about 1372.5504812980.

The spelling of 2585740747 in words is "two billion, five hundred eighty-five million, seven hundred forty thousand, seven hundred forty-seven".