2548518457 has 2 divisors, whose sum is σ = 2548518458. Its totient is φ = 2548518456.

The previous prime is 2548518437. The next prime is 2548518481. The reversal of 2548518457 is 7548158452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2459763216 + 88755241 = 49596^2 + 9421^2 .

It is a cyclic number.

It is not a de Polignac number, because 2548518457 - 2¹¹ = 2548516409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2548518457.

It is not a weakly prime, because it can be changed into another prime (2548518437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274259228 + 1274259229.

It is an arithmetic number, because the mean of its divisors is an integer number (1274259229).

Almost surely, 2^2548518457 is an apocalyptic number.

It is an amenable number.

2548518457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2548518457 is an equidigital number, since it uses as much as digits as its factorization.

2548518457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792000, while the sum is 49.

The square root of 2548518457 is about 50482.8530988493. The cubic root of 2548518457 is about 1365.9325711803.

The spelling of 2548518457 in words is "two billion, five hundred forty-eight million, five hundred eighteen thousand, four hundred fifty-seven".