2557874513 has 2 divisors, whose sum is σ = 2557874514. Its totient is φ = 2557874512.

The previous prime is 2557874497. The next prime is 2557874533. The reversal of 2557874513 is 3154787552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2451537169 + 106337344 = 49513^2 + 10312^2 .

It is a cyclic number.

It is not a de Polignac number, because 2557874513 - 2⁴ = 2557874497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2557874533) 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, 1278937256 + 1278937257.

It is an arithmetic number, because the mean of its divisors is an integer number (1278937257).

Almost surely, 2^2557874513 is an apocalyptic number.

It is an amenable number.

2557874513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557874513 is an equidigital number, since it uses as much as digits as its factorization.

2557874513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 47.

The square root of 2557874513 is about 50575.4338884008. The cubic root of 2557874513 is about 1367.6020554676.

The spelling of 2557874513 in words is "two billion, five hundred fifty-seven million, eight hundred seventy-four thousand, five hundred thirteen".