7006257457 has 2 divisors, whose sum is σ = 7006257458. Its totient is φ = 7006257456.

The previous prime is 7006257443. The next prime is 7006257497. The reversal of 7006257457 is 7547526007.

7006257457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4649057856 + 2357199601 = 68184^2 + 48551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7006257457 is a prime.

It is not a weakly prime, because it can be changed into another prime (7006257497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3503128728 + 3503128729.

It is an arithmetic number, because the mean of its divisors is an integer number (3503128729).

Almost surely, 2^7006257457 is an apocalyptic number.

It is an amenable number.

7006257457 is a deficient number, since it is larger than the sum of its proper divisors (1).

7006257457 is an equidigital number, since it uses as much as digits as its factorization.

7006257457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 411600, while the sum is 43.

The square root of 7006257457 is about 83703.3897581215. The cubic root of 7006257457 is about 1913.5010170398.

The spelling of 7006257457 in words is "seven billion, six million, two hundred fifty-seven thousand, four hundred fifty-seven".