2558489057 has 2 divisors, whose sum is σ = 2558489058. Its totient is φ = 2558489056.

The previous prime is 2558489051. The next prime is 2558489107. The reversal of 2558489057 is 7509848552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2449161121 + 109327936 = 49489^2 + 10456^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558489057 - 2²⁴ = 2541711841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2558489051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279244528 + 1279244529.

It is an arithmetic number, because the mean of its divisors is an integer number (1279244529).

Almost surely, 2^2558489057 is an apocalyptic number.

It is an amenable number.

2558489057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558489057 is an equidigital number, since it uses as much as digits as its factorization.

2558489057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032000, while the sum is 53.

The square root of 2558489057 is about 50581.5090423368. The cubic root of 2558489057 is about 1367.7115714394.

The spelling of 2558489057 in words is "two billion, five hundred fifty-eight million, four hundred eighty-nine thousand, fifty-seven".