2557424977 has 2 divisors, whose sum is σ = 2557424978. Its totient is φ = 2557424976.

The previous prime is 2557424963. The next prime is 2557425029. The reversal of 2557424977 is 7794247552.

2557424977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2557425029) can be obtained adding 2557424977 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2341011456 + 216413521 = 48384^2 + 14711^2 .

It is a cyclic number.

It is not a de Polignac number, because 2557424977 - 2¹⁵ = 2557392209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2557464977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278712488 + 1278712489.

It is an arithmetic number, because the mean of its divisors is an integer number (1278712489).

Almost surely, 2^2557424977 is an apocalyptic number.

It is an amenable number.

2557424977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557424977 is an equidigital number, since it uses as much as digits as its factorization.

2557424977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 52.

The square root of 2557424977 is about 50570.9894801357. The cubic root of 2557424977 is about 1367.5219339483.

The spelling of 2557424977 in words is "two billion, five hundred fifty-seven million, four hundred twenty-four thousand, nine hundred seventy-seven".